Posted by **May** on Wednesday, February 13, 2013 at 5:06pm.

Peter has twice many stickers as Ali. Ali has 40 more stickers than Carlos. They have 300 stickers altogether. How many stickers does Peter have?

- math -
**Ms. Sue**, Wednesday, February 13, 2013 at 5:13pm
Let c be the number of stickers that Carlos has.

c + c + 40 + 2c + 40 = 300

4c = 220

c = 55

- math -
**Mrt Mose**, Friday, October 30, 2015 at 11:59pm
That's not right. c does not equal 55.

Peter - 2 x c

Ali - Has c + another 40

Carlos - c

(2c) + (c + 40) + (c)

= 4c + 40 = 300

= 4c = 300-40

= 4c = 260

= 4c / 4 = 260 / 4

= 0 = 65

c = 65

Feel free to correct me if I'm wrong.

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