Asked by M.W.

Three times a a number n can be written "3n". If n equals the number 5, then what does 3n equal?
Answered by Mr. L.
When a number is exactly beside a letter it means multiply. So if the letter (n) gets replaced by a number (5) it still means multiply.
Answered by isabelle
15
Answered by isabelle
3 times 5 equals 15
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