Posted by **paul** on Sunday, November 4, 2012 at 7:58pm.

Joel has twice as many cds as Mary has. Subtracting 7 from the number of cds Joel has and dividing by 3 equals the number of cds Blake has. If Blake has 25 cds, how many cds does Mary have?

- multi step equations -
**Steve**, Monday, November 5, 2012 at 12:54am
j = 2m

(j-7)/3 = b

b = 25

start substituting:

(j-7)/3 = 25

j-7 = 75

j = 82

so,

m = 41

- math -
**Anastasia **, Monday, May 13, 2013 at 9:10pm
the number of CDs mariella has is 41

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