Cheryl ran three laps during her physical education class. If her times were 1.23 minutes, 1.04 minutes, and 1.18 minutes, what was her average lap time? A. 1.21 minutes
B. 1.19 minutes
C. 1.21 minutes
D. 1.17 minutes

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66answer:

step-by-step explanation:

i wish i could u

step-by-step explanation:

i wish i could u

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

but which class are u may know that first