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Which numbers between 10 and 99 have digits which differ by 2 and add to 8

User Greenstick
by
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1 Answer

3 votes

Answer: 35 and 53

Step-by-step explanation

Let a and b represent the digits.

a-b = 2

a+b = 8

Add straight down to form the equation 2a = 10 which solves to a = 5.

Plug this into either equation to solve for b. Doing so should lead to b = 3.

Therefore the two possible answers are 35 and 53.

User Chesnokov Yuriy
by
8.2k points

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