When Suzy the librarian sat at her desk on Wednesday morning, she had 98 books ready for checkout. The same day, 43 books were checked out. The following day, 23 books were returned, but 5 books were checked out. On Friday, 7 books were returned. How many books did Suzy have? Give the rationale and then the answer.
Let's think step by step. When 43 books were checked out on Wednesday, Suzy remained with 98 - 43 = 55 books. After 23 books were returned on Thursday, she ended with 55 + 23 = 78 books. However, 5 books were checked out on the same day meaning that 78 - 5 = 73 books were left. After 7 books were returned on Friday, Suzy had 73 + 7 = 80 books.. The answer is: 80.

Luigi bought four pizzas for $80. Each pizza was cut into 5 pieces. How much did each piece of pizza cost, in dollars? Give the rationale and then the answer.
Let's think step by step. 4 pizzas at $80 per pizza is $80 / 4 = $20 per pizza. If there were 5 pieces per pizza, then each piece was worth $20 / 5 = $4.. The answer is: 4.

Bess and Holly are playing Frisbee at the park. Bess can throw the Frisbee as far as 20 meters and she does this 4 times. Holly can only throw the Frisbee as far as 8 meters and she does this 5 times. Each time Bess throws a Frisbee, she throws it back to her original position. Holly leaves her Frisbee where it lands every time she throws it. In total, how many meters have the thrown Frisbees traveled? Give the rationale and then the answer.
Let's think step by step. Bess throws the Frisbee out 4 times * 20 meters each time = 80 meters. She then throws it back which doubles the distance traveled to 80 meters * 2 = 160 meters. Holly throws the Frisbee out 5 times * 8 meters = 40 meters. So in total, Holly and Bess have thrown the Frisbees 160 + 40 = 200 meters.. The answer is: 200.