Positive 70974

The sum of two positive numbers is 2.5. A smaller number is four times smaller than a larger number. What is the value of a smaller number?

Correct answer:

b =  0.5

Step-by-step explanation:

a+b=2.5 b=a/4  a+b=2.5 a4b=0  Row2Row1Row2 a+b=2.5 5b=2.5  b=52.5=0.5 a=2.5b=2.50.5=2  a=2 b=21=0.5

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