Question: Lyssa and Precious took an English proficiency exam. Lyssa answered 20% of the items incorrectly. Precious got 12 mistakes. How many more correct answers did Lyssa get than precious if there were 75 items in the exam?
Answer with step-by-step thinking: Lyssa got 75 x 20 / 100 = 15 mistakes. Lyssa's score is 75 - 15 = 60. The score of Precious is 75 - 12 = 63. Thus, Lyssa got 63 - 60 = 3 more correct answers than Precious.
So the answer is 3.


Question: Elijah drank 8.5 pints of coffee yesterday. Emilio drank 9.5 pints of water yesterday. How many cups of liquid did the two boys drink yesterday?
Answer with step-by-step thinking: Total drunk: 8.5 + 9.5 = 18 pints. 18 pints * 2 = 36 cups. The two boys drank a total of 36 cups of liquid yesterday.
So the answer is 36.


Question: Bob and Jim decide to skip rocks. Bob can skip a rock 12 times. Jim can skip a rock 15 times. If they each skipped 10 rocks how many total skips did they get?
Answer with step-by-step thinking:
Bob got 12 * 10 = 120 skips. Jim got 15 * 10 = 150 skips. So in total they got 120 + 150 = 270 skips.
So the answer is 270.