Answer:
536 miles
Step-by-step explanation:
871/13 = 67
67*8 = 536
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10 cookies since 15 are both and 45 - 15 = 30 and 30 + 40 = 70 then 80 - 70 = 10
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?