Question

shelby loves to knit scarves. normally, it takes her 15 minutes to knit 5 inches of a scarf. she plans to make a scarf that is 30 inches long. if she knits at the same rate, how many minutes will it take shelby to knit the scarf? minutes submit

Explanation:

Step1: Find rate per inch

First, find how many minutes per inch. Shelby takes 15 minutes for 5 inches, so rate is $\frac{15}{5} = 3$ minutes per inch.

Step2: Calculate time for 30 inches

Now, for 30 inches, time is $3 \times 30 = 90$ minutes.

Answer:

90