Answer:
The unit rate in chapters 16/35 chapters per hour.
Step-by-step explanation:
The way I would solve this problem would be to set up a proportion. In this case, the proportion will be:
2/5 = x (or 2/5/7/8 = x/8/8) (8/8 stands for 1 hour)
7/8 8/8
After this we would mutliply the opposite sides. We multiply 2/5 by 8/8, where would get 16/40. On the other hand, when we multiply 7/8 by x, we get 7/8x.
After this, we need to isolate x to get our rate, so we would divide 16/40 by 7/8, getting us 16/35 as our answer.
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