In one dish, you use 2 sticks of celery. Your purchase price for a bunch of celery is $0.98. This particular bunch has 15 sticks of celery in it. What is the cost of celery for this dish?
$0.40
$0.21
$0.12
$0.06
15 is not easily divisible by 2 change 15 to 30 by multiplying by 2 0.98 X 2 = $1.96 30 sticks = 1.96 but you need 2 30/15=2 1.96/2 = 0.130 rounded to $0.12