SOLUTION: 21 customers is 15% of what number of customers?

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Question 1014171: 21 customers is 15% of what number of customers?
Answer by ikleyn(52835) About Me  (Show Source):
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21 customers is 15% of what number of customers?
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Let x be the unknown number of customers.


You are given that

0.15*x = 21.

It is your equation to find x.


Hence, x = 21%2F0.15 = 140.

Answer. 21 customers is 15% of 140 customers.