Answer:
qhttps://goo.gl/search/what+is+the+constant+of+proportionality
Identifying the Constant of Proportionality - Video & Lesson ... The constant of proportionality is the ratio between two directly proportional quantities. In our tomato example, that ratio is $3.00/2, which equals $1.50. Two quantities are directly proportional when they increase and decrease at the same rate.
One weights 30lbs the other weights 54lbs
I think the answer is 56.81 seconds, the best time would just be the shortest time
The answer to this question is letter B