Proportional:
4/7 and 10/17.5
2/3 and 9/12
18/8 and 9/4
NOT proportional:
3/8 and 6/141
7/5 and 27/50
You have 9n and -7 in total so the answer is 9n-7. You add up all the numbers and then add up the numbers with n attached to them
Answer:
Rate
Step-by-step explanation:
When you have two quantities and place one over the other, i.e. miles/hour, you get a rate, such as a rate of change .
