I'm not sure if I get what you mean, because I don't think I remeber what an area model is. But if it literally means making a model to describe the area, you could draw a square and put 84 on the length or the width and the o.24 on the other. Show that length times width = area. And then multiply. But if I am right, that's not what you are looking for, huh?
Answer:
(2,8)
Step-by-step explanation:
Because 16/5 and 48/15 are equivalent fractions
Answer:
The percentage is 
Step-by-step explanation:
Let
x-----> the number
we have

To find the percentage multiply by 100

Answer:
5
Step-by-step explanation:
you add then all together to get 5