[Question]Carl is taking a class where the whole grade is based on four tests that are graded out of 100. He got an 80, a 75 and a 90 on his first three tests. If he wants an 85 average for the class, what is the minimum grade he needs to get on his last test?
[Answer]First, find the total number of points Carl needs to earn across all the tests by multiplying his desired average by the number of tests: 85 * 4 = 340 marks. Then subtract all Carl's previous test scores to find the last score he needs to earn: 340 - 80 - 75 - 90 = 95 marks. The answer is 95.
Q: Trent walked 4 blocks from his house to the bus stop. He rode the bus 7 blocks to the library. Later, he came home the same way. How many blocks did Trent travel in all?
A: On the way to the library, Trent went 4 blocks + 7 blocks = 11 blocks. Trent came home the same way so he went 11 blocks + 11 blocks = 22 blocks. The answer is 22.
Question: The lights in Malcolm’s house are flickering, and he hopes that replacing all of his white lights with colored lights will make it stop. He buys 12 red lights, 3 times as many blue lights, and 6 green lights. If he still has 5 colored lights left to buy, how many white lights did Malcolm have initially?
Answer: Malcolm has bought 12 * 3 = 36 blue lights. This means he has bought a total of 12 + 36 + 6 = 54 colored lights. If he still needs to buy more lights, then he must have initially had 54 + 5 = 59 white lights. The answer is 59.
[Question]Mikey likes his honey cluster of oats cereal. In each spoonful, there are 4 clusters of oats. In each bowl of cereal, he gets 25 spoonfuls of cereal. If each box of cereal contains 500 clusters of oats, how many bowlfuls of cereal are in each box?
[Answer]If each spoonful contains 4 clusters of oats, and each bowl of cereal has 25 spoonfuls, then in each bowl there are 4 * 25 = 100 clusters of oats. And If each box of cereal contains 500 clusters of oats, then there are 500 / 100 = 5 bowlfuls of cereal in every box. The answer is 5.
Q: Bert has a garden shop. He buys his products in a warehouse and sells them for $10 more in his shop. From each sale, he has to pay 10% of the value in tax. One day a client came to his shop and bought a barrel for $90. How Much money did Bert make on this sale?
A: First, we need to know how much Bert paid for the barrel in the warehouse, and that is 90 - 10 = $80. The tax from the sale stands at 10 / 100 * 90 = $9. That means Bert earned 90 - 9 - 80 = $1 on the sale. The answer is 1.
Question: Damien collects glasses for a hobby and decides he wants to put them in display cupboards. His tall cupboard can hold 20 glasses, his wide cupboard can hold twice as many, and his narrow cupboard can hold 15 glasses with the glasses divided equally among the three shelves. As Damien is putting glasses in the narrow cupboard, he accidentally breaks one of the shelves. If all of the cupboards are full, how many glasses are currently being displayed?
Answer:
The wide cupboard holds twice as many glasses as the tall cupboard, amounting to 20 * 2 = 40 glasses. Each of the shelves in the narrow cupboard holds 15 / 3 = 5 glasses. Since a shelf was broken, a narrow cupboard now holds only 15 – 5 = 10 glasses. In total, there are 20 + 40 + 10 = 70 glasses. The answer is 70.