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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?
 one year ago
 one year ago
Christopher is 4 times as old as Michael. Ten years ago, Christopher was 9 times as old as Michael.How old is Christopher now?
 one year ago
 one year ago

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sauravshakyaBest 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
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
Solve that two equations
 one year ago

sws._.Best 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) ?
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
Yep....... Now solve for y
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
Then plug the value of y u get in eqn i to find x
 one year ago

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

sws._.Best ResponseYou've already chosen the best response.1
then after that i added 9y to 4y
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
4y10=9y90 10+90=9y4y
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
got your mistake?
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
So, what is the value of y
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.2
Now what is the value of x then
 one year ago
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