SOLUTION: Joel has twice as many cd's as mary has. Subtracting 7 from the number of cd's joel has and dividing by 3 equals the number of cd's blake has. If blake has 25 cd's, how many cd's

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Joel has twice as many cd's as mary has. Subtracting 7 from the number of cd's joel has and dividing by 3 equals the number of cd's blake has. If blake has 25 cd's, how many cd's       Log On


   

Question 470467: Joel has twice as many cd's as mary has. Subtracting 7 from the number of cd's joel has and dividing by 3 equals the number of cd's blake has. If blake has 25 cd's, how many cd's does mary have?
I did this equation: 2x-7/3=25
Thanks
Chris
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"Joel has twice as many cd's as mary" ___ j = 2m

"Subtracting 7 from the number of cd's joel has and dividing by 3 equals the number of cd's blake has"
___ (j - 7) / 3 = b

substituting ___ [(2m) - 7] / 3 = (25)

2m - 7 = 75