The sum of two numbers is 70. one number is 8 more than the other. what's the smaller number?

Question

Greta Patton

Mathematics

2 December, 15:05

The sum of two numbers is 70. one number is 8 more than the other. what's the smaller number?

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Answers (1)

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Nick · Answer 1

X=8+y

x+y=70

Rewrite the first equation to x-y=8

Copy the second equation x+y=70

Add the two equations and you get 2x=78

Therefore, x=39. Since this is the bigger number the smaller number (y) would have to be 31 because you subtract 8 from x which is 39. 39 is your answer.