Question: Jen and Tyler are gymnasts practicing flips. Jen is practicing the triple-flip while Tyler is practicing the double-flip. Jen did sixteen triple-flips during practice. Tyler flipped in the air half the number of times Jen did. How many double-flips did Tyler do?
Answer: Jen did 16 triple - flips, so she did 16 * 3 = 48 flips. Tyler did half the number of flips, so he did 48 / 2 = 24 flips. A double flip has two flips, so Tyler did 24 / 2 = 12 double - flips. The answer is 12.
[Question]At a certain car dealership, 15% of the cars cost less than $15000 and 40% of the cars cost more than $20000. If there are 3000 cars at the dealership, how many of them cost between $15000 and $20000?
[Answer]15% of 3000 cars is (15 / 100) * 3000 = 450 cars. 40% of 3000 cars is (40 / 100) * 3000 = 1200 cars. 450 + 1200 = 1650 cars which cost either less than $15000 or more than $20000. Out of 3000 cars, there will then be 3000 - 1650 = 1350 cars left which cost between $15000 and $20000. The answer is 1350.
Q: Marcus had 18 pebbles. He skipped half of them across the lake, but Freddy gave him another 30 pebbles. How many pebbles does Marcus have now?
A: Marcus had 18 / 2 = 9 pebbles left. After Freddy gave him more, he has 9 + 30 = 39 pebbles. The answer is 39.
Question: Palmer loves taking photos and has an album of 100 photos under her bed to mark memories of places she's been. She recently went on a long trip to Bali. Palmer took 50 new pictures in the first week and twice that many in the second week. She was running out of space at the end of her trip and took only 80 new photos total across the third and fourth weeks. If she adds the pictures from Bali to her collection, how many total photos does Palmer have under her bed now?
Answer: While in Bali, Palmer took 50 pictures in the first week and thus 2 * 50 photos = 100 photos in the second week. The total number of photos she took in Bali is 50 photos on the first week + 100 photos on the second week + 130 photos = 280 photos. When she adds the photos she from Bali to her album, Palmer has a total of 280 + 100 = 380 photos. The answer is 380.
[Question]Steve finds 100 gold bars while visiting Oregon. He wants to distribute his gold bars evenly to his 4 friends. If 20 gold bars were lost on the way back to San Diego, how many gold bars will each of his 4 friends get when he returns?
[Answer]He only has 100 - 20 = 80 gold bars after losing 20 of them. He then gives each of his friends 80 ÷ 4 = 20 gold bars. The answer is 20.
[Question]Chris wanted to buy a new video game that costs $60 as well as an assortment of candy that costs $5. To earn the money, he agreed to babysit his little sister for $8 per hour. If he works 9 hours, how much money will be left over after he makes his purchases?
[Answer]
He wants to buy a $60 game and $5 of candy so 60 + 5 = $65. He will make $8 per hour of babysitting and will work 9 hours so 8 * 9 = $72. He made $72 and spent $65 so 72 - 65 = $7 left over. The answer is 7.