12. A coin collector has 85 coins in dimes and quarters with a total value of $16.15. How
many of each type of coin does she have?
A. 25 dimes, 60 quarters
B. 34 dimes, 51 quarters
C. 42 dimes, 43 quarters
D. 60 dimes, 25 quarters

c

Step-by-step explanation:

a. 25 x 10 = 250, 60 x 25 = 1500, 250 + 1500 = 1750 = $17.50

a. no

b. 34 x 10 = 340, 51 x 25 = 1275, 1275 + 340 = 1615 = $16.15

b. yes

c. 42 x 10 = 420, 43 x 25= 1075, 1075 + 420 = 1495 = $ 14.95

c. no

d. 60 x 10 = 600, 25 x 25 = 625, 625 + 600 = 1225 = $12.25

d. no