Jane spent 3 hours exploring a mountain with a dirt bike. First, she rode 39 miles uphill. After she reached the peak she rode for 10 miles along the summit. While going uphill, she went 10 mph slower than when she was on the summit. What was her rate along the summit?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What percent of the circle below is shaded?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude