Kelly is knitting a scarf for her brother. It took her 1/5 hour to knit 2/5 foot of the scarf. How fast is Kelly’s knitting speed, in feet per hour? You help me I help you!

9/8 feet per hour fast is Kelly's knitting speed

Step-by-step explanation:

Unit rate defined as the rates are expressed as a quantity 1 such as 4 meters per second or 4 miles per hour.

As per the statement:

Kelly is knitting a scarf for her brother. it took her 1/3 hour to knit 3/8 foot of the scarf.

She took /3 hours to knit 3/8 foot of the scarf.

Therefore, 9/8 feet per hour fast is Kelly's knitting speed.

Hope I helped!

so, converting firstly the mixed fractions to improper fractions and then "adding".