lilywestwood09p78shy lilywestwood09p78shy

15-04-2018
Mathematics

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Two numbers have a difference of 0.85 and a sum of 1 what are the numbers

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ematharu7280 ematharu7280

15-04-2018

Let x and y be the two numbers.
x + y = 1
x - y = 0.85

2x = 1.85
x = 0.925

2y + 0.85 = 1
y = 0.075

Let's see if it works:
x + y = 1
0.925 + 0.075 = 1

x - y = 0.85
0.925 - 0.075 = 0.85

So that means:
x = 0.925
y = 0.075

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