Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?
First step in this sort of word problem is to represent: Assign a values where needed.
Thats the thing idk where they go
Ok, let's assign values to their present ages, then. If we let Tim's age be x, what would be Coach's age?
if the kid is ten and the coach is 20 the kid would be 13
Let's make Coach Johnson J and Tim T T + 10 = J T - 3 = 50% or something like that haha @allietreetz don't just give the answer geez
wooow no need to dis people i was only try n 2 help
why did she use 50% ?
I honestly don't know :)
lol oops I should've done x2 for twice his age...meh bad
But uhmm... If Tim's age is x, then Coach's age would be x + 10, right?
yeah
no wiat...
right
Oh god lol
xD I'm just gonna like...leave now xD
So, if Tim's present age is x, and Coach's present age is x + 10, what would be their ages three years ago? :)
Let age of Johnson is x years and that of Tim is y years.. So, according to first sentence of problem : x = y + 10 -------------1 Now, three years ago, Coach was (x - 3) and Tim was (y - 3) (x - 3) = 2(y - 3) x - 3 = 2y - 6 x = 2y - 3 -----------------2 Equate 1 and 2 equations, y + 10 = 2y - 3 y = 10 + 3 = 13.. So, x = y + 10 = 13 + 10 = 23 So the age of Tim (y) is 13 years...
cool
^ The Winner!
Join our real-time social learning platform and learn together with your friends!