Equivalent to 3n + 2(1 - 4n)

5n+2

Step-by-step explanation:

i hope this helps

i think that you should ask google for the answer to that problem because if we don't know it google does

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.