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