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sws._.
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Christopher is 4 times as old as Michael. Ten years ago, Christopher was 9 times as old as Michael.How old is Christopher now?
 2 years ago
 2 years ago
sws._. Group Title
Christopher is 4 times as old as Michael. Ten years ago, Christopher was 9 times as old as Michael.How old is Christopher now?
 2 years ago
 2 years ago

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sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Let the present age of Christopher and Michael be x and y then, x=4y ........i x10 = 9(y10) .....ii
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Solve that two equations
 2 years ago

sws._. Group TitleBest ResponseYou've already chosen the best response.1
for x in the second equation do I put 4y? so the equation would look like 4y10=9(y10) ?
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Yep....... Now solve for y
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Then plug the value of y u get in eqn i to find x
 2 years ago

sws._. Group TitleBest ResponseYou've already chosen the best response.1
when i was solving the equation with the y i distributed and got 4y10=9y90
 2 years ago

sws._. Group TitleBest ResponseYou've already chosen the best response.1
then after that i added 9y to 4y
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
4y10=9y90 10+90=9y4y
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
got your mistake?
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
So, what is the value of y
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Now what is the value of x then
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Very correct
 2 years ago

sws._. Group TitleBest ResponseYou've already chosen the best response.1
okay :) thank you
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
WELCOME
 2 years ago
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