问题详情

The weekly fee for staying at the Pleasant Lake Campground is $20 per vehicle and $10 per person.Last year, weekly fees were paid for v vehicles and p persons. Which of the following expressions gives the total amount, in dollars, collected for weekly fees last year？
A.20v + 10p
B.20p + 10v
C.10(v + p)
D.30(v + p)
E.10(v + p) + 20p请帮忙给出正确答案和分析，谢谢！