If Valentina V. Tereshkova had landed on the moon with her equipment and weighed 54 pounds, how much would she have weighed on Earth with equipment?

How do you do this geometry problem

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?