An elevator is 25 inches above the ground after 3 seconds.

Part A: How many inches per second is this?
Part B: How many inches above the ground will it be after 15 seconds?
Part C: After 45 seconds, will the elevator have gone 360 inches?
Please show work!!

1 answer

A.

25 / 3 in / s

B.

15 • 25 / 3 = 125 / 3 in = 41.666... in

C.

45 • 25 / 3 = 1125 / 3 = 375 in

375 in is greater of 360 in

The elevator will gone 360 in.