Question 470467
"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