Ron has 13 coins with a total value of $2.25. the coins are nickels and quarters. how many of each coin does he have

Question

Mathematics

Patience Bush

26 January, 16:15

Ron has 13 coins with a total value of $2.25. the coins are nickels and quarters. how many of each coin does he have

+1

Answers (2)

Know the Answer?

Lena Townsend · Answer 1

8 quarters = $2.00

5 nickles = $0.25

Total ... 13 coins = $2.25

Lorelai Riggs · Answer 2

N-nickels, q - quarters

n+q=13=>n=13-q

0.25q+0.05n=2.25

0.25q+0.05 (13-q) = 2.25

0.25q+0.65-0.05q=2.25

0.20q=2.25-0.65

0.20q=1.6

q=1.6:0.2

q=8

n=13-8

n=5