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A coin contains only quarters and dimes .there are 25 coins in all . Seven of the coins are dimes what fraction of the coins are quarters

Respuesta :

Answer:

The answer is 28.

Step-by-step explanation:

7 dimes over 25 coins = 28 quarters over 100%

25 multiply 4 = 100 so 7 multiply 4 = 28

70 dimes/ 450 quarters