Question

to prepare for a downhill skiing competition ,roman completed three training sessions. the table shows his average time and distance to each session. did romans rate in miles per hour increase from session to session write an agurement that can be used to defend your solution

Answer 1

no

Explanation:

Apparently, the three runs are ...

(hours, miles) = (2/125, 9/10), (3/200, 11/12), (3/250, 17/30)

The speed in miles per hour is found by dividing miles by hours for each run. Of course dividing by a fraction is the same as multiplying by its inverse.

session 1 speed = (9/10)(125/2) = 56.25

session 2 speed = (11/12)(200/3) ≈ 61.11

session 3 speed = (17/30)(250/3) ≈ 47.22

Roman's speed increased from the first session to the second, but decreased for the third session.

Roman's speed did not increase from session to session.