Answer:8 lunches
Step-by-step explanation: If you divide 2.50 from 20 you get 8. So it'll be 8 lunches.
Answer:
<h2>-4/3</h2>
Step-by-step explanation:
3x-12=12x
-12=12x-3x
-12=9x
-12/9=x
-4/3=x
x=-4/3
Your equation would be 7-3x=40. Subtract 7, divide by -3, and your answer is -11