Question

melanie uses up pencils at an incredible rate, 14 pencils every 4/9 of an hour. How many pencils does she use up per hour? Show your work

Answer 1

Melanie uses 31 and a half pencils per hour

Step-by-step explanation

If she uses 14 pencils in 4/9 of an hour, we want to find how many pencils does she use in 1 hour:

`1*(14\colon(4)/(9))=14\colon(4)/(9)=14*(9)/(4)=(126)/(4)=(63)/(2)=31(1)/(2)`