The MATHCOUNTS Sprint Round competition consists of 30 problems with a time limit of 40 minutes. Suppose you complete 20 Sprint Round problems in 25 minutes. On average, how many times as long will you be able to spend on each remaining problem than you did on each of the first 20? Express your answer as a common fraction.
5 answers
6/5
1 1/5
6/5
Answer: 6/5
25 minutes for 20 questions which means 25/20 for each question which is 5/4 or 1 minute and 15 seconds. You have 15 minutes left and 10 questions so you will spend 15/10 minutes or 1 and a half minutes. Divide (15/10)/(5/4) = 6/5
25 minutes for 20 questions which means 25/20 for each question which is 5/4 or 1 minute and 15 seconds. You have 15 minutes left and 10 questions so you will spend 15/10 minutes or 1 and a half minutes. Divide (15/10)/(5/4) = 6/5
6/5
1 answer