Robert's weight on the planet Mars would be 37.5% of his weight on Earth. Erica's weight is 75% of roberts weight. If Erica weighs 120 pounds on Earth, how much would robert weigh on Mars?Robert's weight on the planet Mars would be 37.5% of his weight on Earth. Erica's weight is 75% of roberts weight. If Erica weighs 120 pounds on Earth, how much would robert weigh on Mars?

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