18 cookies because the cost was 5 and he sold 18 which makes 90 dollars
Answer:
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Answer:
3/4 of the pot left.
Step-by-step explanation:
If the mom eats a 1/12 of the pot and then the brother also eats a 1/6 of the pot, then it is 9/12 left of pasta still. The reason for that is since 1/6 is equivalent to 2/12 so 1/12 plus 2/12 is 3/12, and if u subtract 3/12 from 12/12 it will give you 9/12 which can be simplified to 3/4 left of the pot.
F(x)=2x+3-(x+10)
0=2x+3-x-10
0=x-7
-x=-7
x=7
