first rate = 225/5 words per minute = 45 words/min
2nd rate = 135/3 words per min = 45 words/min
ahhh, the same rate
so words typed = 24(45) or 1080 words
Sarah can type 225 words in five minutes. She then typed 135 words in three minutes. If sarah types for 24 minutes, how many words did she type?
A. What is the answer? (I answered 1080)
B. Explain what the constant of variation is in the problem. Write an equation for the problem.
C. What is a constant of variation?
1 answer
1 answer