At a party it cost $9.50 for refreshments for 10 guests at this rate how much would it cost to have refreshments for 75 guests?
1 answer:
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For 
and 
to be inversely proportional, there must be some constant 
such that
Given that
when 
, it follows that
Then when
, we have
Given that
Then when
Answer:
Step-by-step explanation:
We are given the following in the question:
A(1, 1), B(2, 4), C(4, 2)
i) Slope of AB
Thus, slope of AB is 3.
ii) Point slope form
The point slope form of a line can be written as:
The point intercept form of line can be written as:
The line is parallel to AB and contains point C(4, 2). Since line p is parallel to AB, line p will have the same slope as line AB
Putting values, we get,
which is the required slope intercept equation of line p.