Question

Larry read a 400 page book. He read at a rate of 10 pages per day for D days. Write an equation that could be used to find out how many days it took Larry to read the book.

Answer 1

10 * D = 400

or

400 / 10 = D (40 days)

Explanation:

Answer 2

40 days

Explanation:

If book has 400 pages and Larry reads 10 pages per day

D is no of days , she read book

Calculation,

10 X D = 400

D=400/10

D= 40

So, 40 days will be taken by Larry to read book.