A survey in one middle school showed that 4 out of 9 students help cook meals at home. Predict how many out of the 720 students in the school help cook meals at home.

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