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Your grandfather gave you $18 to buy a present. This covered 9/10 of the cost. How much did the present cost?
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Your grandfather gave you $18 to buy a present. This covered 9/10 of the cost. How much did the present cost?

User Ikkebr
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it cost $20 because if you divide 18 by 9 you get 2 which means that if you multiply 2 by 10 the total would be 20
User Cameronroytaylor
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