# simultaneous equations

### Nancy is 10 years less than 3 times her daughters age. If Nancy is 41 years old, how old is her daug

Nancy is 10 years less than 3 times her daughters age. If Nancy is 41 years old, how old is her daughter? Declare variables for each age: Let...
Thread by: math_celebrity, Oct 28, 2021, 0 replies, in forum: Calculator Requests

### larger of 2 numbers is 12 more than the smaller number. if the sum of the 2 numbers is 74 find the 2

larger of 2 numbers is 12 more than the smaller number. if the sum of the 2 numbers is 74 find the 2 numbers Declare Variables for each number:...
Thread by: math_celebrity, Oct 26, 2021, 0 replies, in forum: Calculator Requests

### A man purchased 20 tickets for a total of \$225. The tickets cost \$15 for adults and \$10 for children

A man purchased 20 tickets for a total of \$225. The tickets cost \$15 for adults and \$10 for children. What was the cost of each ticket? Declare...
Thread by: math_celebrity, Oct 23, 2021, 0 replies, in forum: Calculator Requests

### a son is 1/4 of his fathers age. the difference in their ages is 30. what is the fathers age.

a son is 1/4 of his fathers age. the difference in their ages is 30. what is the fathers age. Declare variables: Let f be the father's age Let s...
Thread by: math_celebrity, Oct 21, 2021, 0 replies, in forum: Calculator Requests

### larger of 2 numbers is 4 more than the smaller. the sum of the 2 is 40. what is the larger number?

larger of 2 numbers is 4 more than the smaller. the sum of the 2 is 40. what is the larger number? Declare variables for the 2 numbers: Let l be...
Thread by: math_celebrity, Oct 20, 2021, 0 replies, in forum: Calculator Requests

### In a class there are 5 more boys than girls. There are 13 students in all. How many boys are there i

In a class there are 5 more boys than girls. There are 13 students in all. How many boys are there in the class? We start by declaring variables...
Thread by: math_celebrity, Oct 20, 2021, 0 replies, in forum: Calculator Requests

### 2 numbers that are equal have a sum of 60

2 numbers that are equal have a sum of 60 Let's choose 2 arbitrary variables for the 2 numbers x, y Were given 2 equations: x = y <-- Because...
Thread by: math_celebrity, Oct 18, 2021, 0 replies, in forum: Calculator Requests

### Alberto and Willie each improved their yards by planting daylilies and ivy. They bought their suppli

Alberto and Willie each improved their yards by planting daylilies and ivy. They bought their supplies from the same store. Alberto spent \$64 on 3...
Thread by: math_celebrity, Oct 9, 2021, 0 replies, in forum: Calculator Requests

### kate is twice as old as her sister mars. the sum of their ages is 24. find their ages.

kate is twice as old as her sister mars. the sum of their ages is 24. find their ages. Let k be Kate's age Let m be Mars's age We're given two...
Thread by: math_celebrity, Oct 8, 2021, 0 replies, in forum: Calculator Requests

### According to the American Bureau of Labor Statistics, you will devote 32 years to sleeping and eatin

According to the American Bureau of Labor Statistics, you will devote 32 years to sleeping and eating. The number of years sleeping will exceed...
Thread by: math_celebrity, Oct 5, 2021, 0 replies, in forum: Calculator Requests

### numerator of a fraction is 5 less than its denominator. if 1 is added to the numerator and to the de

numerator of a fraction is 5 less than its denominator. if 1 is added to the numerator and to the denominator the new fraction is 2/3. find the...
Thread by: math_celebrity, Oct 2, 2021, 0 replies, in forum: Calculator Requests

### At the end of the 2021 NBA season, the NY Knicks had 10 more wins than losses. This NBA season the N

At the end of the 2021 NBA season, the NY Knicks had 10 more wins than losses. This NBA season the NY Knicks played a total of 72 times. Find a...
Thread by: math_celebrity, Sep 20, 2021, 0 replies, in forum: Calculator Requests

### A man is four time as old as his son. How old is the man if the sum of their ages is 60?

A man is four time as old as his son. How old is the man if the sum of their ages is 60? Let the son's age be a. Then the man's age is 4a. If...
Thread by: math_celebrity, Sep 14, 2021, 0 replies, in forum: Calculator Requests

### Justin is older than Martina. The difference in their ages is 22 and the sum of their ages is 54. Wh

Justin is older than Martina. The difference in their ages is 22 and the sum of their ages is 54. What age is Martina? Assumptions and givens:...
Thread by: math_celebrity, Sep 14, 2021, 0 replies, in forum: Calculator Requests

### Cars and trucks are the most popular vehicles. last year, the number of cars sold was 39,000 more th

Cars and trucks are the most popular vehicles. last year, the number of cars sold was 39,000 more than 3 times the number of trucks sold. There...
Thread by: math_celebrity, Aug 30, 2021, 0 replies, in forum: Calculator Requests

### Antonio has a change jar that contains \$3.65 in half dollars and nickels. He has 7 more nickels than

Antonio has a change jar that contains \$3.65 in half dollars and nickels. He has 7 more nickels than half dollars. How many of each type of coin...
Thread by: math_celebrity, Aug 28, 2021, 0 replies, in forum: Calculator Requests

### Jenny threw the javelin 4 metres further than Angus but 5 metres less than Cameron. if the combined

Jenny threw the javelin 4 metres further than Angus but 5 metres less than Cameron. if the combined distance thrown by the 3 friends is 124...
Thread by: math_celebrity, Aug 15, 2021, 0 replies, in forum: Calculator Requests

### a is 2 years older than b who is twice as old as c. if the total ages of a,b and c is 42, then how o

a is 2 years older than b who is twice as old as c. if the total ages of a,b and c is 42, then how old is b We're given 3 equations: a = b + 2 b...
Thread by: math_celebrity, Aug 4, 2021, 0 replies, in forum: Calculator Requests