Answer:
1 dollar
Step-by-step explanation:
20% = .20(percentage to decimal conversion)
.20 * 5 = 1 or 5 * .20 = 1 either way works
Find 9/20 of 100
9/20 * 100 = 900/20 = 45
So 45 people voted to change the law, and that's not enough.
Answer: 
Step-by-step explanation:
The area of a rectangle:
×

×
× 

-Result:

Step-by-step explanation:
7 students were in the van so 187 - 7 = 180. 180 ÷ 4 = 45, there were 45 students on each bus. Not sure if this makes total sense, hope it helps