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anonymous
 3 years 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?
anonymous
 3 years 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?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Let the present age of Christopher and Michael be x and y then, x=4y ........i x10 = 9(y10) .....ii

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Solve that two equations

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0for x in the second equation do I put 4y? so the equation would look like 4y10=9(y10) ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Yep....... Now solve for y

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Then plug the value of y u get in eqn i to find x

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0when i was solving the equation with the y i distributed and got 4y10=9y90

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0then after that i added 9y to 4y

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.04y10=9y90 10+90=9y4y

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0So, what is the value of y

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Now what is the value of x then
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