Clara needs to complete her science homework. She has 20 pages to read and 14 questions to answer if it takes Clara 10 minutes to read four pages. How many minutes will it take her to read the full assignment

35
85
50
9

1 answer

If Clara can read 4 pages in 10 minutes, she can read 1 page in 10/4 = <<10/4=2.5>>2.5 minutes.
So, it will take her 2.5 * 20 = <<2.5*20=50>>50 minutes to read the full assignment. Answer: \boxed{50}.