This is a ton of work, I can't really understand it. I will award 100 points to whoever can get it. (added on to the points for this.)

attached picture

Step-by-step explanation:

its a little blurry tbh

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.