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3 votes
The sum of number times 3 and 15

1 Answer

2 votes

Answer:

3x+15

Explanation:

When it says "the sum of a number three times", it means 3x, because the x stands for multiplication and the problem says the sum sum is between 3x and the number 15. So your equation is 3x+15. Hope this helps ;)

User Prakash Reddy
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