Awesomeface Awesomeface

02-04-2015
Mathematics

contestada

The difference between two numbers is 3.2. The sum of the numbers is 46.4. What could the two numbers be?

Respuesta :

ajluv3161 ajluv3161

02-04-2015

x+y=46.4
x-y=3.2
solving for y
3.2+y=x
substitute
3.2+y+y=46.4
simplify
3.2+2y=46.4
solve for y
y=(46.4-3.2)/2
y=21.6
put y into equation
x+y=46.4
x+21.6=46.4
x=46.4-21.6
x=24.8

your two numbers are 24.8 and 21.6

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