Question

Zach mazrahi can buy a dozen pencils for $1.89 , 24 pencils for $3.60 or 36 pencils for $5.49 what is the Best Buy?

Answer 1

Answer:

24 pencils for $3.60

Explanation:

What you need to do is to find the unit rate of all of them. 1.89/12 is .1575, 3.60/24 is .15, and 5.49/36 is .1525. The least one is the cheapest one.