Chen rode his skateboard 3/3/4 miles in 34 of an hour. What was his average speed in miles per hour?

_[blank]_ miles per hour

17 in long 1.3 ft wide and 8in high what is the volume

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

From a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. howmany ways can it be done?