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02.03.2020 •
Mathematics
An item on sale costs 60% of the original price was $87. Find the sale price
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Ответ:
First find what 60% of 87 is. Then subtract that value from the original price to find the sale price! Check out the work in the photo.
Ответ:
y = -1/3x - 4
Step-by-step explanation:
slope is change in y over the change in x
-3 + 5 = 2
-3 - 3 = -6
slope is -2/6 or -1/3
y+3 = -1/3 (x + 3)
y + 3 = -1/3x -1
y = -1/3x - 4