Product equals sum

The product of two numbers equals their sum. One number is four times the other. Find these numbers, given that neither equals zero.

Final 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
b=a/4=5/4=1.25



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