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Donna got a prepaid debit card with $25 on it. For her first purchase with the card, she bought some bulk ribbon at a craft store. The price of the ribbon was 21 cents per yard. If after that purchase there was $21.22 left on the card, how many yards of ribbon did Donna buy?

Respuesta :

Given data:

Initial amount of money: $25.00

Final amount of money: $21.22

Price of ribbon: $0.21 per yard

1. Find the money Donna spend in the craft store: Subtract the final amount of money from the initial amount of money:

[tex]25.00-21.22=3.78[/tex]

2. Divide the result of step 1 by the price per yard of the ribbon:

[tex]\frac{3.78}{0.21}*\frac{100}{100}=\frac{378}{21}[/tex]

Then, Donna bought 18 yards of ribbon

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