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Recent Questions

In **Mathematics** / **Middle School** | 2013-12-11

[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.

In **Mathematics** / **Middle School** | 2013-12-10

[Answered] What times what equals 16?

In **Mathematics** / **Middle School** | 2013-12-10

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

In **Mathematics** / **Middle School** | 2013-12-10

[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.

In **History** / **Middle School** | 2013-12-10

[Answered] Why did the Virginia Company give settlers the right to self-government?

In **Mathematics** / **Middle School** | 2013-12-10

[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?

In **Mathematics** / **Middle School** | 2013-12-10

[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?

In **Mathematics** / **Middle School** | 2013-12-10

[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?

In **Physics** / **High School** | 2013-12-10

[Answered] Can water and pebbles form a solution?

In **Mathematics** / **Middle School** | 2013-12-10

[Answered] The distance from home plate to second base is about 127.3 ft. 1. How would you find the distance between the bases? 2. Estimate the distance between the bases to the nearest foot. 3. When you hit a home run, how far do you run?