3x-7y=2 ; 3x=2+7y x=2x+7y/3
Answer:
Carl has to sell at least
cookies.

Step-by-step explanation:
Carl gets
by selling 1 chocolate bar.
Earning from chocolate bars:

Earning From cookies:


Carl wants to raise at least 

Answer:
7oz of water
Step-by-step explanation:
6(1/2)= 3; 6(2/3)= 4; 3+4=7
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