emorygrace emorygrace

18-04-2015
Mathematics

contestada

two numbers total 86 and have a difference of 6. What are the two numbers?

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TheElusiveAvenger TheElusiveAvenger

18-04-2015

a+b=86
a-b=6

a=86-b

substitute: 86-b-b=6

-2b=-80
b=40 and a=46

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cheyennahall cheyennahall

18-04-2015

40 + 46 = 86
because...
c = 86
a - b = 6
46 - 40 = 6
a + b = c
46 + 40 = 86

Answer Link

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