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Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins, and had 64 of 20-cent coins...........

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Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins, and had 64 of 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 of 20-cent coins.

1) Who has more money in coins and by how much?

2) Given that each 50-cent coin is 2.7 g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms?

(For added context, 100 cents is equal to 1 dollar).
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posted Nov 8 by Ujjwal Mehra

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