Questions in mathematics

Questions in mathematics

[Answered] You work at a clothing store, and your boss wants you to find out which type of shirt had the highest percentage of sales. You found that 13 out of 20 tank tops were sold, and 15 out of 25 T-shirts were sold. Which percent represents the type of shirt with the greater percentage sold? A. 15% B. 13% C. 60% D. 65%

[Answered] How can you solve this problem? 37 + y = 87

[Answered] Jamaal buys his clothes at Super Discounts. On Saturday, he bought shoes regularly priced at $40 for 25% off and a jacket regularly priced at $100 for 30% off. Including a 6% sales tax, what total amount will Jamaal pay?

[Answered] A light plane flew from its home base to an airport 255 miles away. With a headwind, the trip took 1.7 hours. The return trip with a tailwind took 1.5 hours. Find the average airspeed of the plane and the average wind speed.

[Answered] What times what equals 16?

[Answered] Do you know 3 prime numbers that sum up to 32?

[Answered] Here's a story problem: Rita wants to estimate the number of beans in a large jar. She takes out 100 beans and marks them. Then she returns them to the jar and mixes them with the unmarked beans. She then gathers some data by taking a sample of beans from the jar. Use her data to predict the number of beans in the jar.

[Answered] Mr. Jacob is 55 years old, and Tony is 7 years old. In how many years will Mr. Jacob be 4 times as old as Tony?

[Answered] The cost of 5 similar digital cameras and 3 similar video cameras is $3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

[Answered] At the beginning of 6th grade, the ratio of the number of advanced math students to regular math students was 3:8. After taking the placement tests, students were moved around, changing the ratio to 4:7. How many students started in regular and advanced math if there were 92 students in advanced math after placement?