sarahjadegonzal sarahjadegonzal

20-12-2018
Mathematics

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The sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number?

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melissahovey8 melissahovey8

20-12-2018

Answer:

34

Step-by-step explanation:

3 + 4 = 7

34 with reversed digits is 43

43 - 34 = 9

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