josh7earl josh7earl

29-01-2017
Mathematics

contestada

Huilan is 7 years older than Thomas. The sum of their ages is 89 . What is Thomas's age?

Respuesta :

harsukh harsukh

29-01-2017

89-7=82 82/2=41 Thomas is 41.

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cubicbook cubicbook

29-01-2017

Huilan: x + 7 Thomas: x

x + 7 + x = 89
2x + 7 = 89
2x = 82
x = 41
So Thomas is 41 years old

Answer Link

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