Which of the situations described below can be modeled by the question: n+0.5n-0.3n=1.2n

on your paper it doesn't say the answer but the the answer is altitude

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.

it is x equals 3   plese mark me really need it

step-by-step explanation: