Dante has 27 coins that are all dimes and quarters. The value of the coins is $4.35. How many dimes and how many quarters does D
ante have?
2 answers:
He has 11 quarters and 16 dimes
25*11 is 275 + 170 is 435.
Answer:
Step-by-step explanation:
d + q = 27......d = 27 - q
0.10d + 0.25q = 4.35
0.10(27 - q) + 0.25q = 4.35
2.7 - 0.10q + 0.25q = 4.35
0.15q = 4.35 - 2.7
0.15q = 1.65
q = 1.65 / 0.15
q = 11 <=== 11 quarters
d + q = 27
d + 11 = 27
d = 27 - 11
d = 16 <===== 16 dimes
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