Question

Ali has a quarters, d dimes, and n nickels. He gets four more quarters. He gives away three

dimes.
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Answer 1

(q + 4) + (d - 3) + n

Explanation:

Answer 2

(q + 4) + (d - 3) + n

Explanation:

You have to add all of them.

You have to add q, d, and n.

so q + d + n

and then you add four more q's so

(q + 4) + d + n

and then you lost 3 dimes so

(q + 4) + (d - 3) + n

and nothing happened to n so that is the answer.