A truck spreads salt on icy roads at a specific rate depending on the thickness of the ice. The graph shows the amount of salt released per mile compared to the thickness of ice. How many pounds are used per mile when the ice is 5.5 centimeters thick?

3-4

step-by-step explanation:

the answer is 3-4 because both 45 and 60 has a multiple of 15.

45/3=15

60/4=15

therefore the odds against selecting a red is 4-3

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.

step-by-step explanation:

t= 1/3.

hope this .

step-by-step explanation: