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8_murik_8 [283]
3 years ago
7

Krishaun has $5, $10, and $20 coins worth a total of $560. She has the same number of $5 coins as $10 coins, and the same number

of $10 coins as $20 coins. How many $20 coins does Krishaun have?
a.16
b.15
c.20
d.28
e.17
Mathematics
1 answer:
valkas [14]3 years ago
4 0

f = t = n five ten and twenty

5n + 10n + 20n = 560

35n = 560

n = twenty dollar coins = 16

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