In 4 years, sravani will be 3 times as old as Makayla is currently. three years ago, sravani was 4 times as old as Makayla was then. what are both of their resent ages?

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21-02-2015
Mathematics

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In 4 years, sravani will be 3 times as old as Makayla is currently. three years ago, sravani was 4 times as old as Makayla was then. what are both of their resent ages?

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konrad509 konrad509 · Answer 1 · 2015-02-21T08:42:13-05:00

konrad509 konrad509

21-02-2015

x - Sravani
y - Makayala

\(x+4=3y\\ x-3=4(y-3)\\\\ x=3y-4\\ x=4y-12+3\\\\ x=3y-4\\ x=4y-9\\\\ 3y-4=4y-9\\ 4y-3y=-4+9\\ y=5\\\\ x=3\cdot5-4\\ x=15-4\\ x=11\)

Sravani - 11
Makayla - 5

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