formula on how to solv

Question

Mrs. Wallace, who is always in a hurry, walks up an escalator that is also traveling up. The escalator is d feet long and travels at a rate of 2 feet per second. Mrs. Wallace, climbing the escalator at a rate of 6 feet per second, arrives at the top in t seconds. Which equation best represents this information?

Answer 1

DIstance = rate x time

d =(2+6) t

 

D = 8 * t