iamhisgrloyseyb iamhisgrloyseyb

02-11-2017
Mathematics

contestada

Dustin is three times as old as Margaret. In 7 years he will be twice as old as she will be then. How old is she now?

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amirahdaugherty1 amirahdaugherty1

02-11-2017

she's 7 right now and he's 21, in 7 years, she'll be 14 and he'll be 28 which is 2 times more than her age

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Solve the equations and good its for exam practice! f(5)=3(5)-10