21 is .368
22 is .71
23 is .66
24 is .1, 3/9, 2/3, 4/5, and 1.0
25 is .4, .42, .5, .55, .6
Answer:
b
Step-by-step explanation:
it makes the most senses the lower the discount the higher the chance
5.5 move decimal place over twice 20*.055 =$1.1 in sales tax
X^2 - 4x + 4 = 0
(x - 2)^2 = 0 - Factor left side
x - 2 = 0 - Square root each side
x = 2 - add 2 to each side
