Charlie and tyler bought a pizza charlie ate 3/8 and tyler ate1/2how much of the pizza did they eat

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

A50% increase followed by 33 1/2% decrease