Answer:
$7.40
Explanation:
First, take 78% of 24, which is 18.72. So 18.72 yards of ribbon will be blue. Then, convert the number of yards to inches. You can multiply it by 3 to get the number of feet and then that number by 12 to get the number of inches. So you'll have 673.92. Next, figure out how many spools Jordan needs. Divide 673.92 by 150. You get around 4.4, but since you can't buy 0.4 spools, Jordan will need to buy 5 of them.
So multiply 1.48 dollars by 5 spools and you'll get $7.40. Which is how much Jordan spent on blue ribbon.