janet37limrqwe janet37limrqwe

28-09-2017
Mathematics

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The difference between two numbers is 10 and their sum is four times the smaller number Find the two numbers.

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musiclover10045 musiclover10045

28-09-2017

A = larger number

B = smaller number

A -B = 10

A + B = 4B

A=10+B

10+B+B = 4B

10 +2B = 4B

10=2B

B = 10/2 = 5

A = 10+5 =15

15-5 =10

15+5 = 20, 4*5 = 20

the numbers are 5 & 15

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