Aswimming pool is open for 7 1/2 hours during a day. the pool keeps one lifeguard on duty at a time, and each lifegurd's shift is 1\ 1/2 hours long.

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

To decrease an amount by 16% what single multiplier would you use

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities