One number is 8 more than another, and their sum is 80. What is the smaller number? 34 36 38 40

Question

One number is 8 more than another, and their sum is 80. What is the smaller number?

34
36
38
40

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Diễm Kiều 4 years 2021-09-04T07:18:55+00:00 1 Answers 4 views 0

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  1. mocmien2
    0
    2021-09-04T07:20:05+00:00
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    Answer:one number is eight more than twice another and their sum is 20. what are their number? one number = x = 2y+8 another number = y so, (2y+8)+ y=20 simplify 3y+8=20 3y=20-8 3y=12 y=4, checking the answer gives x=2(4)+8=16 so, y = 4 and x = 16 4+16=20


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