Sally does 42 push ups in 2 minutes. What is the unit rate expressed as a fraction?

21 in 1 minute

1/3.3/5=

To find the unit rate, we need to determine how many push ups Sally does in one minute. We can calculate this by dividing the total number of push ups (42) by the total time taken (2 minutes).

So, the unit rate can be expressed as:

42 push ups / 2 minutes

To simplify this fraction, we divide both the numerator and denominator by their greatest common factor, which in this case is 2:

42 ÷ 2 = 21
2 ÷ 2 = 1

Therefore, the unit rate expressed as a fraction is:

21 push ups / 1 minute