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The product of two numbers is equal to their sum. One of the numbers is four times larger than the other. Find these numbers. They welcomed that none of them were equal to zero.

Correct answer:

a =  5
b =  1.25

Step-by-step explanation:

ab=a+b a = 4b a2/4 = a+a/4 a2  5a = 0 a5=0 a=5

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