# math

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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 -

Let c be the number of stickers that Carlos has.

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

4c = 220

c = 55

• math -

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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