Q: James supercharges his car which increases his car's speed by 30%. He then cuts weight by 15% which increases the speed a further 10 mph. If his car's original speed was 150 mph what is the new speed?
A: He increased his speed by 150 * .3 = 45 mph. So his new speed was 150 + 45 = 195 mph. He increased it a further 10 mph so his new speed is 195 + 10 = 205 mph. The answer is 205.
Question: Francis' family has 2 ukuleles, 4 guitars, and a certain number of violins. Each ukulele has 4 strings. Each guitar has 6 strings. Each violin has 4 strings. If the total number of strings among the ukuleles, guitars, and violins is 40 strings, how many violins does Francis' family have?
Answer: From the ukuleles, there are 2 * 4 = 8 strings. From the guitars, there are 4 * 6 = 24 strings. From the violins, there are 40 - 8 - 24 = 8 strings. The total number of violins Francis' family has is 8 / 4 = 2 violins. The answer is 2.
[Question]James decides to buy himself a new barbell. It cost 30% more than his old $250 barbell. How much did it cost?
[Answer]It cost 250 * .3 = $75 more than his old barbell. So it cost 250 + 75 = $325. The answer is 325.
Q: There are 42 apples in a crate. 12 crates of apples were delivered to a factory. 4 apples were rotten and had to be thrown away. The remaining apples were packed into boxes that could fit 10 apples each. How many boxes of apples were there?
A: The total number of apples delivered was 42 × 12 = 504. There are 504 - 4 = 500 apples were left remaining. Finally, there are 500 ÷ 10 = 50 boxes of apples. The answer is 50.
Question: Caleb and his dad went fishing at the lake. Caleb caught 2 trouts and his dad caught three times as much as Caleb. How many more trouts did his dad catch compared to Caleb?
Answer: Caleb’s dad caught 2 x 3 = 6 trouts. His dad caught 6 - 2 = 4 more trouts than Caleb. The answer is 4.
Q: Pam has 10 bags of apples. Each of her bags has as many apples as 3 of Gerald's bags. If Gerald's bags have 40 apples each, how many apples does Pam have?
A:
Each of Pam's bags contain 40 * 3 = 120 apples. Pam has 120 * 10 = 1200 apples. The answer is 1200.