Two mechanics worked on a car. the first mechanic worked for 5 hours snd the second mechanic worked

Discussion in 'Calculator Requests' started by math_celebrity, Jan 8, 2017.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    Two mechanics worked on a car. the first mechanic worked for 5 hours snd the second mechanic worked for 15 hours. Together they charged a total of $2375. What was the rate charged per hour by each mechanic if the sum of the two rates was $235 per hour?

    Setup equations where x is the rate of the first mechanic and y is the rate of the second mechanic:
    • 5x + 15y = 2375
    • x + y = 235

    Using Cramers method with our simultaneous equations calculator, we get:
    • x = 115
    • y = 120
     

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