Question

The sum of two consecutive multiples of 10 is 90. Find the smallest multiple of 10.
Solution:​

Answer 1

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LET THE FIRST CONSECUTIVE MULTIPLE OF 10 BE 10X

THN SECOND BE 10X+10

ACCORDING TO THE QUESTION

=>10x+10+10x=90

=>20x+10=90

x=4

hence the multiples are 100,110

thn smallest multiples is 100

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Answer 2

Step-by-step explanation:

let the sum of two consecutive multiple of 10 be x and x+10

then the sum of the 2 consecutive multiple of 10 is 90.

• now x+x+10 = 90
• 2x+10=90
• 2x=80
• x=40
• smallest multiple = 40