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Applications (Word Problem)

There are 5 d...

Question

There are 5 dictionaries each with price x dollars and 7 alphabet books each with y dollars. Which of the following gives the total price of the dictionaries and books?

A

(5x + 7y) dollars

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B

(5y + 7x) dollars

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C

35xy dollars

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D

(5x + 7) dollars

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Solution

The correct option is A (5x + 7y) dollars
Cost of 1 dictionary = x dollars

Cost of 5 dictionaries = 5x dollars

Cost of 1 alphabet book = y dollars

Cost of 7 alphabet books = 7y dollars

Total price of dictionaries and alphabet books = (5x + 7y) dollars

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