One third of a number is 10 less than the original number. What is the – InterviewSolution

1.

One third of a number is 10 less than the original number. What is the number?

Answer»

Let the number be x

1/3 of x =x-10

X/3= x-10

Cross multiply

X=3x-30

Collect like terms

X-3x=-30

-2x=-30

Divide both side by -2

X=15

The number is 15

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