SOLUTION: 78 is 15% of what number?

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Question 68641This question is from textbook Algebra:Structure and Method
: 78 is 15% of what number? This question is from textbook Algebra:Structure and Method

Answer by rmromero(383) About Me  (Show Source):
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78 is 15% of what number?


Translate this sentence to mathematical equation
is means equal
of means multiply

Let x = a number
78 = 15% x
78 = 0.15x
78%2F0.15+=+0.15x%2F0.15

Answer: 520 = x