SOLUTION: In February, the price charged by Friendly Flowers for roses was inversely proportional to the number of days before Valentine’s Day the order is placed. A dozen roses ordered 10
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Question 571598: In February, the price charged by Friendly Flowers for roses was inversely proportional to the number of days before Valentine’s Day the order is placed. A dozen roses ordered 10 days before February 14 cost $12.00 while the same order placed five days before cost $24.00. What is the cost of a dozen roses ordered one day before Valentine’s Day?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = price of roses days
before Valentine's Day.
given: where is
a constant called the " proportionality constant"
--------------------------------------
(1)
(2)
-------------------
(1)
and
(2)
I think the 2 examples were given just to show
that the relation between and
is a linear one.
When ,
a dozen roses cost $120 1 day before Valentine's Day
Here's the plot of
with on the horizontal axis:
You can see the price goes way up when is small
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