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You have 45 coins. Five out of every 9 are heads and the rest are tails.how many coins are heads?
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You have 45 coins. Five out of every 9 are heads and the rest are tails.how many coins are heads?
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Jan 15, 2017
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You have 45 coins. Five out of every 9 are heads and the rest are tails.how many coins are heads?
Mathematics
high-school
Oleksandr Zolotarov
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Oleksandr Zolotarov
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25 are heads because
5
=
x
9 45
then cross multiply
9x = 225
then divide by 9
x = 25
Sph
answered
Jan 19, 2017
by
Sph
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