Which area of number sense relates to the quantity of ingredients in recipes?

The verbal translation for the difference of m and 7 increased by 15

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39