[Question]Cheryl has thrice as many colored pencils as Cyrus. Madeline has 63 colored pencils and only half of what Cheryl has. How many colored pencils do the three of them have altogether?
[Answer]Cheryl has 63 x 2 = 126 colored pencils. Cyrus has 126 / 3 = 42 colored pencils. Altogether, they have 126 + 42 + 63 = 231 colored pencils. The answer is 231.
Q: Gina and Tom were playing football. On the first day, Gina scored two goals, which was three less than Tom. On the second day, Gina scored two goals less than Tom who scored six goals. How many goals did Gina and Tom score during these two days?
A: On the second day, Gina scored 6 - 2 = 4 goals. So in total, on the second day, Gina and Tom scored 4 + 6 = 10 goals. On the first day Tom scored 2 + 3 = 5 goals. So in total on the first day, both players scored 5 + 2 = 7 goals. During these two days, Gina and Tom scored 10 + 7 = 17 goals. The answer is 17.
Question: Andrea needs 45 rhinestones to finish an art project. She bought a third of what she needed and found a fifth of what she needed in her supplies. How many rhinestones does she still need?
Answer: Andrea bought 45 / 3 = 15 rhinestones. She found 45 / 5 = 9 rhinestones in her supplies. Thus, Andrea still needs 45 - 15 - 9 = 21 rhinestones. The answer is 21.
[Question]Salem is 15 times the size of Leesburg. Leesburg has 58940 people. If 130000 people move out of Salem, and half of Salem's population is women, how many women live in Salem?
[Answer]The number of inhabitants of Salem is 15 * 58940 = 884100 inhabitants. But some have moved, so there are 884100 - 130000 = 754100 inhabitants left. Of these, 754100 / 2 = 377050 are women. The answer is 377050.
Q: Liza reads 20 pages in an hour, and Suzie reads 15 pages in an hour. How many more pages does Liza read than Suzie in 3 hours?
A: In 3 hours, Liza reads 20 x 3 = 60 pages. In 3 hours, Suzie reads 15 x 3 = 45 pages. Liza reads 60 - 45 = 15 pages more than Suzie. The answer is 15.
Question: John buys 1000 balloons. Each balloon holds 10 liters of air. If he buys 500-liter tanks of gas, how many tanks does he need to buy to fill all the balloons?
Answer:
He needs 1000 * 10 = 10000 liters of gas. So he needs 10000 / 500 = 20 tanks. The answer is 20.