Solve the problem.
-Andy has 18 coins made up of quarters and half dollars, and their total value is $\$ 7.00$. How many quarters does he have?
A) 8 quarters
B) 10 quarters
C) 13 quarters
D) 12 quarters

Question

Quizplus · Accepted Answer

Let x be the number of quarters. Then the number of half dollars is 18 - x. The value of the quarters is 0.25x, and the value of the half dollars is 0.50(18 - x). The total value is 0.25x + 0.50(18 - x) = 7.00. Solving for x gives x = 8.

Solve the Problem $7.00\$ 7.00$7.00 How Many Quarters Does He Have? A) 8 Quarters

Solve the Problem $\$ 7.00$ How Many Quarters Does He Have?
A) 8 Quarters