Mathematics
lewybut
2015-10-30 19:42:57
Joey has 5.75 made up of all dimes and quarters. If joey has 38 coins. How many of each each coin does he have?
ANSWERS
vevegirafagab
2015-10-30 23:59:15

d + q = 38....d = 38 - q 0.10d + 0.25q = 5.75 0.10(38 - q) + 0.25q = 5.75 3.80 - 0.10q + 0.25q = 5.75 -0.10q + 0.25q = 5.75 - 3.80 0.15q = 1.95 q = 1.95/0.15 q = 13 <=== 13 quarters d + q = 38 d + 13 = 38 d = 38 - 13 d = 25 <=== 25 dimes

Mamie773
2015-10-31 00:00:30

quarters= 13 dimes= 25 is the correct answer

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