73 plus what equals 180

Your answer would 107.

Step-by-step explanation:

180 minus 73 equals 107.

:)

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.

no solution

step-by-step explanation:

there is not enough information in the problem to solve.