Add them all together the divide what you get by 5
Answer:

Step-by-step explanation:
Given


Required
Determine the average change
This is calculated as follows:

This gives:


Convert to improper fractions

Convert to multiplication




Answer:
Step-by-step explanation:
17:3 is already in lowest terms. 17:3 = 34:6, 51:9, etc.
15:60 = 1:4
Answer:
68
Step-by-step explanation:
First you multiply 8 and 4 to get 32 and that shows you how many campers have agreed to help. Next you have to subtract 32 from 100 to know how many more people you need.
Yes it has a constant rate of change which is 3/2