Question

Help pls! 30 points! Which of the following is a unit rate?

a. $1.25/ 4 oz.
b. 120 mi./ 2 hr.
c. 4 ft./ 1 sec.
d. 340mi./ 6 gal.

Answer 1

c. 4 ft./ 1 sec.

Explanation:

A unit rate always requires the last unit a numerical value of 1.

So c is the answer because it is 4 ft per 1 sec or 4 ft/sec (4 feet per second)

More examples are: mph, kmph, g/cm² and etc.