Answer:
63 feet of ribbon
Step-by-step explanation:
First, you find the unit rate by dividing 36 by 12. That gets you 3 feet of ribbon per package. Since you need to find how many feet of ribbon are in 21 packages, you multiply 21 and 3. 21x3= 63
Answer:
When discounted 10% you will pay 198$.
220-22=198$
$60 ÷ $15 = 4
$9 × 4 = $36
he saved $36 when he earned $60
