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Pencils cost x cents and erasers cost y cents each. Mary buys 7 pencils and 3 erasers. Write down the total cost in cents, in terms of x and y. ​

Pencils cost x cents and erasers cost y cents each. Mary buys 7 pencils and 3 erasers. Write down the total cost in cents, in terms of x and y. ​
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Pencils cost x cents and erasers cost y cents each. Mary buys 7 pencils and 3 erasers. Write down the total cost in cents, in terms of x and y.

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asked
User Daniel Jennings
by
8.4k points

1 Answer

4 votes

Answer:

7x + 3y.

Explanation:

7 pencils cost 7x cents and 3 erasures cost 3y cents.

answered
User Fzum
by
8.4k points
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