Tina has 12 packages of yarn to knit a scarf.
She uses 1/4 package of yarn for each inch of length she adds to the scarf.If Tina uses all the yarn, how long will her scarf be?
If Tina 1/4 of a package of yarn for every inchbof her sarf, then each package of yarn is good for for 4 inches of scarf. 12 packages of yarn will produce a scarf that is 48 inches long
