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Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 140 foreign coins.

Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 140 foreign coins.
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Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 140 foreign coins.

asked
User JClarke
by
8.7k points

1 Answer

5 votes
Mary has 3x coins, John has x coins,
x+3x=140.
4x=140
x=140/4
x=35

John has 35 coins and Mary has 105 coins.
answered
User Piers Myers
by
8.8k points
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