Question

The average of three numbers is calculated with the formula A=x+y+z/3 .
Solve A=4+11+z/3

Answer 1

Explanation:

Formula A = x + y + z /3

A = 4 + 11 + z / 3

= 15 + Z / 3

= 5 + Z

Because 15 ÷ 3 = 5