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Popular Word Problems >

One fifth of a number is equal to twice that number less 81

Solution

O n e f i f t h o f a n u mb er i s e q u a l t o tw i ce t ha t n u mb er l ess 81

Solution

The number : 45

Solution steps

Represent the number with

x

A.T.Q.:

\frac{1}{5} x = 2 x - 81

Solve for

x, \frac{1}{5} x = 2 x - 81 : x = 45

The number : 45

Popular Examples

Determine the probability when two fair dice The sum is at most 5 or at least 10 The sum is prime or divisible by 6 five added to half of a number 9 times a number.two less than the product of-4 and a number is greater than-26 One number is two less than three times another number. Three times the larger number is four more than eight times the smaller number. What are the numbers?