Kimmie2019
28.10.2019 •
Mathematics
The cost of a suitcase is $62.50, and the selling price is $88. find the percent of markup on selling price.
a. 41%
b. 70%
c.29%
d.14%
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Ответ:
25.5/62.5=.408
.408x100%=40.8
Round 40.8% to 41%
Answer is A
Ответ:
Step-by-step explanation:
(7, 8) and (3, -4)
y2 = -4, y1 = 8, x2 = 3 and x1 = 7
Slope m = {y2-y1}/{x2-x1}
m = {-4 - 8}/{3 - 7}
m = -12/-4
m = 3
And
y - y1 = m(x - x1)
y - 8 = 3(x - 7)
y - 8 = 3x - 21
y = 3x - 21 + 8
y = 3x - 13