JulieMullie JulieMullie

14-11-2017
Mathematics

contestada

The difference of two numbers is 9 and the sum of the numbers is 55. What are the numbers? Please show procedure.

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yellowyarn2003 yellowyarn2003

14-11-2017

x/y=9
x+y=55
x=-y+55
-y+55/y=9
-y+55=9y
-10y=-55
y=5.5
x=49.5

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