Catherine is using a spool of yarn to knit some items. She uses 14 3/8 yards of yarn to knit a scarf. The number of yards of yarn she uses to knit a hat is 3 1/4 yards less than she uses to knit a scarf. How many total yards of yarn does Catherine use to knit a scarf and a hat?

17 5/8

Step-by-step explanation:

Thats the answer

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles