During a reading test, Teil reads a passage with with 640 words. It takes her 4 minutes to read the passage. At this rate, how long will it take her to read a passage with 800 words?Required to answer.Single choice.
Find the unit rate first. Unit rate in this case is how many words can she do in ONE minute. Key word ONE. 640 divided by 4 is 160. Then we do 800 divided by 160. And we get 5.
