02-01-2017
Mathematics

contestada

Two numbers have a difference of 0.7 and a sum of 1. What are the two numbers?

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kaivalyashenoy kaivalyashenoy

02-01-2017

x+y=1
x-y=0.7
2x=1.7
x=1.7/2
x= 0.85
y=1-x
y=1-0.85
y=0.15

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