Answer:
Step-by-step explanation:
38.
37.
$175 * .2 = $35
$175 - $35 = $140
or
subtract the 20% from 100% to get the cost relative to the original price. 80%
$175 * .8 = $140
The answer is B. $140
86+92+95+89=362
362/4=90.5
through the process of elimination, I found that Courtney will need to get an 88 or higher to get at least a 90 in the course.
Quadratic formula is x=(-b+-sqrt(b^2-4ac))/(2a)
a= 1, b=-4, and c=3
Therefore, x=(-(-4)+-sqrt((-4)^2-4(1)(3))/(2(1))
Solve for both the plus and minus equations; the answers will be the roots to the quadratic equation.
y=745-20x
y= the amount of photos left
x= days since he started deleting photos
