Product 3108

The product of 3 numbers is 42. The first is 1.5 times larger than the second number, and the third is 3.5 times larger than the second number. What numbers are these?

Correct answer:

a =  3
b =  2
c =  7

Step-by-step explanation:

abc=42 a = 1.5 b c = 3.5 b 1.5 b  b  3.5b = 42 b=342/1.5/3.5=2 a=1.5 b=1.5 2=3
c=3.5 b=3.5 2=7

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