The word problem below has too little information. Read carefully, then
choose the fact or facts needed to solve the problem.
A group of friends wants to ride the ferris wheel at the same time.
How many empty cars will they need in order to ride together?
A. There are 15 people in the group.
B. From the top, you can see the entire city.
O c. One car on the ferris wheel seats 3 people.
D. A ride on the ferris wheel lasts 5 minutes.