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5 votes
7.

If twenty-one more than a fifth of a number is equal to two times the quantity of
three less than that number, what is the number?

User Nyima
by
7.6k points

1 Answer

2 votes

Answer:

The number is 15.

Explanation:

Let n be the number.


(1)/(5) n + 21 = 2(n - 3)


n + 105 = 10(n - 3)


n + 105 = 10n - 30


9n = 135


n = 15

User Kevin MOLCARD
by
7.9k points

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