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


Answer :

Answer:

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