Chapter 7 ReviewWord Problems2013 - 2014

Truck Deliveries Brock’s Discount TV has three types of television sets on sale: a 13-in portable, a 27-in remote, and a 50-in console. They have three types of vehicles to use for delivery; vans, small trucks, and large trucks. The vans can carry 8 portable, 3 remote, and 2 console TVs; the small trucks, 15 portable, 10 remote, and 6 console TVs; and the large trucks, 22 portable, 20 remote, and 5 console TVs. On a given day of the sale they have 115 portable, 85 remote, and 35 console TVs to deliver. How many vehicles of each type are needed to deliver the TVs?

Investments Jessica invests $38,000; part at 7.5% simple interest and the remainder at 6% simple interest. If her annual interest income is $2600, how much does she have invested at each rate?

Swimming Pool Three pipes, A, B, and C, are connected to a swimming pool. When all three pipes are running, the pool can be filled in 3 hours. When only A and B are running, the pool can be filled in 4 hours. When only B and C are running, the pool can be filled in 3.75 hours. How long would it take each pipe running alone to fill the pool?

Basketball Attendance At Whetstone High School 452 tickets were sold for the first basketball game. There were two ticket prices: $0.75 for students and $2.00 for nonstudents. How many tickets of each type were sold if the total revenue from the sale of tickets was $429?