frank typed 140 words in four minutes in class. Rose typed 4/5 as many words as frank, and veronica typed 1.6 times the number of words frank typed.

Question

trying to figure this question out for the past 20 min and cant figure out how my childs teacher came up with the answer.

Answer 1

Frank typed 140 words/4 minutes

Rose typed (4/5)*140=112 words/4 minutes

Veronica typed 1.6*140=224 words/4 minutes

Did I answer your question ?

If not, here are the unit rates:

140/4=35 words/minute

112/4=28 words/minute

224/4=56 words/minute