Answer: 283
Step-by-step explanation:
To do this, it is helpful to get an equation you can use to solve any term.
This equation is:

So simply plug in 31 for n to get



12 because if u had 3 groups of 4 that would be 3+3+3+3
Answer:
0.4
Step-by-step explanation:
Let's write miles over hours
80 / 2 = 200/ x
cross multiply
80x = 400
divide both sides by 80
x = 5
It will take 5 hours to cover 200 miles
Hope this helps :)