Because the 7 is used more than once.
Answer:
28
Step-by-step explanation:
x = 2 point questions, y = 3 point questions
x + y = 40
2x + 3y = 92
Solving this we get x = 28, y = 12 so the answer is 28.
Answer:
Surface area ~ 197.33
<em>Hope that helps!</em>
Step-by-step explanation:
Umm what DO u want in fraction form?
Answer:
18.75 pounds, 1.75 pounds collected less
Step-by-step explanation:
3.75 pounds = 1 month
20.5 pounds need to be collected
5 months
3.75 x 5 = 18.75
20.5 - 18.75 = 1.75