A restaurant is going to raise all their prices by 5%. If the current price of an item is p dollars,

A restaurant is going to raise all their prices by 5%. If the current price of an item is p dollars, write an expression for the price after the increase.

5% = 0.05 as a decimal.
New price = Old Price * (1 + decimal increase)
New price = p * (1 + 0.05)
New price = 1.05p