# Sum and ratio

The sum and ratio of two numbers is equal to 10. Which numbers are they?

a =  9.0909
b =  0.9091

### Step-by-step explanation:

a+b = 10
a = 10b

a+b = 10
a = 10•b

a+b = 10
a-10b = 0

a = 100/11 ≈ 9.090909
b = 10/11 ≈ 0.909091

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