8/12 and 2/3
7/10 and 21/30
These are the ones that are equivalent. The others are not.
Answer:
c. 7.25
Step-by-step explanation:
Given the following information from an experiment:

Total Sample Size =5+10+5=20
Therefore, the overall mean

Answer:
b
Step-by-step explanation:
Answer:
52m
Step-by-step explanation:
Seperate each place into its own section
Multiply each section
Add the product you get from each section