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16-09-2020
Mathematics

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the product of four less than a number and nine is fifteen
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wolf1728 wolf1728

16-09-2020

Answer:

The easiest way is to determine what number times 9 equals 15.

9x = 15

x = 15 / 9 = 5/3

The original number is 4 + 5/3 = 5 (2/3)

Then we look at the problem again,

5 and (2/3) minus 4 = 5/3 and

5/3 * 9 = 45/3 = 9

Step-by-step explanation:

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