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jjuoojojuinjfrrff6 jjuoojojuinjfrrff6
  • 15-11-2016
  • Mathematics
Answered

Reena has 12 more dimes than she does quarters. If Reena has a total of 28 coins, how many quarters, qq, and how many dimes, dd, does Reena have? Use the equations and the graph below to arrive at your answer.

q = d –12

q = 28 –d

A28 dimes and 12 quarters
B20 dimes and 8 quarters
C12 dimes and 28 quarters
D8 dimes and 20 quarters

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 15-11-2016

q = d - 12
q = 28 - d

d - 12 = 28 - d
d + d = 28 + 12
2d = 40
d = 40/2
d = 20 <== 20 dimes

q = d - 12
q = 20 - 12
q = 8 <== 8 quarters

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