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04-04-2019
Mathematics

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The sum of the digits of a two digit number is 8.if the ten digit is 4 more than the units digit what is the number

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Аноним Аноним

04-04-2019

Answer:

The number is 62.

Step-by-step explanation:

If the number is xy then x + y = 8.

Also x - y = 4.

x + y = 8

Adding the above 2 equations eliminates y:

2x = 12

x = 6

and y = 8-6 = 2.

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