Q: Luke takes fifty more than five times as many grape jelly beans as vanilla jelly beans. If there are 120 vanilla jelly beans, how many jelly beans are there in total?
A: Luke takes 5 * 120 = 600 grape jelly beans, five times the vanilla jelly beans there are?. Luke's total number of grape jelly beans is fifty more than five times the number of vanilla jelly beans, a total of 600 + 50 = 650. In total, there are 650 + 120 = 770 jelly beans. The answer is 770.

Q: In a 60-item exam, Liza got 90% of the items correctly. Her best friend, Rose, got 2 more correct answers than her. How many incorrect answers did Rose have?
A: Liza got 60 x 90 / 100 = 54 of the items correctly. So, Rose got 54 + 2 = 56 of the items correctly. Thus, Rose had 60 - 56 = 4 incorrect answers. The answer is 4.

Q: Darlene's car gets 20 miles/gallon. Martha's car gets half as many miles per gallon as Darlene's car. How many gallons does Martha's car require to make a 300-mile trip?
A:
Martha's car gets 20 / 2 = 10 miles per gallon. Total gallons Martha's car requires is 300 / 10 = 30 gallons. The answer is 30.