Question

1. Write an equation that shows the relationships 64% of y is 40.

2. 45% of z is 72. Find the value of x.

Answer 1

0.64y = 40.

Question 2:

0.45z = 72

z = 72 * (1/0.45) = 160.

Explanation:

Answer 2

Explanation:

Question 1:

• 0.64y = 40.

Question 2:

• 0.45z = 72
• z = 72 * (1/0.45) = 160.