A dolphin swam 7 1/2 miles in 3/8. What was its average speed in miles per hour (mph)?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Write 17/20 as a decimal and as a percent.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?