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Of the three consecutive natural numbers, five times the smallest number is 20:more than three times the greatest number, find the middle number.

Solution

Of the three consecutive natural numbers, five times the smallest number is 20:more than three times the greatest number, find the middle number.

Solution

The number : 5

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

5 x = 20

Solve

5 x = 20 : x = 4

x + 1 = 4 + 1 = 5

x + 2 = 4 + 2 = 6

The number : 5

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