Question #78696

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Question #78696

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Answer 1 · 2017-12-13T01:22:01

$45$ $45$

Explanation:

25% dimes, so other coins 75%, that is $180 \cdot 75 % = 135$ $180*75% = 135$ .

Now after adding more dimes, other coins are 60%, so 135 coins is 60% of the total coins. So, total number of coins $= 135 \cdot \frac{100}{60} = 45 \cdot 5 = 225$ $= 135*100/60 = 45*5 = 225$

Earlier total coins were 180, now there are 225 coins, so $225 - 180 = 45$ $225-180 = 45$ dimes were added.

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Question #78696

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