Question

The sum of four consecutive natural number is 90. Then , the smallest of the four number is _______ .​

Answer 1

Answer:

21

Step-by-step explanation:

Let the numbers are x,x+1,x+2,x+3

Therefore equation becomes

x+x+1+x+2+x+3=90

(x+x+x+x)+(1+2+3)=9

4x=90-6

x=84/4

x=21

Therefore smallest number is 21

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