# math

posted by .

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?

• math -

mary's cds --- x
joel has ------ 2x
blake ------( 2x-7)/3

(2x-7)/3 = 25
2x-7 = 75
2x=82
x = 41

mary has 41
joel has 82
blake has 25

## Similar Questions

1. ### math

Joel has twice as many CDs as Mariella 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 Mariella have?
2. ### elementary

nuber sense minnie has 6 county cds and 5 rock cds.amanda has 5 rock cds and 6 country cds.who has more cds?
3. ### multi step equations

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?
4. ### Math

Tell whose CD collection has the greater ratio of rock CDs to total CDs. Glen has 9 rock CDs, 4classical CDs, and 5 other kind of CDs. Nina has 12 rock CDs, 8 classical CDs, and 7 other kind of CDs.
5. ### Math

Blake is packaging 1500 CDs to a friend. He can boy them in groups of 8 12 or 16. How many boxes will Blake need to pack the Cds in groups of 8?
6. ### Math

Find the number of each kind of object in the collection Miranda has 24 CDs in her collection. Of those CDs, 10 are pop CDs. She has 6 more country CDs than jazz CDs. How many country CDs does Miranda have?
7. ### Maths

The owner of a music store received a shipment of 1,532 cds the CDs came in 37 boxes the same number of cds were in 36 of the boxes how many cds were in the remaining box
8. ### Math

You have \$60.00 in your wallet and want to buy some new CDs. If the CDs are \$11.00 each, what number of CDs, x, can you buy?
9. ### Algebra

Joel has twice as many CDs as Mariella has. subtracting seven from the number of CDs Joel has an dividing by three equals the number of CDs Blake has. If Blake has 25 CDs how many CDs does mariella have?
10. ### math

Julia works at a music store. One of her jobs is to stock new CDs on the shelf. A recent order arrived with 215 classical CDs, 125 jazz CDs and 330 soft rock CDs. Julia needs to place the CDs on sale racks with 5 CDs in each group. …

More Similar Questions