I need to know the rest of the question in order to help you! :D
A=p(1+i/m)^mn
A=980×(1+0.08÷4)^(4×5)
A=1,456.23
He can read
chapters of his history book in 1 hour.
<em><u>Explanation</u></em>
Franco read 3/8 of a chapter of his history book in 1/5 of an hour.
Suppose, he can read
chapters of his book in 1 hour at this rate.
So, the equation according to the <u>ratio of 'the chapter to the time'</u> will be....

So, he can read
chapters of his history book in 1 hour.