rebeca2257 rebeca2257

Today at 12:03 AM
Mathematics

Answered

There are 15 boys and 5 girls in a class.
The mean amount of time of finishing a test was 45 minutes for the boys and 55
minutes for the girls.
What was the mean of the class?
Give your answer in minutes to one decimal place.

Answer :

jchristman jchristman

Today at 12:09 AM

Answer: 50.0

Step-by-step explanation:

1. Add 45+55=100

2. Divide 100 by 2 =50

3. Add a decimal after 50.0

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