math 1
Example 3: The table below shows the amount a banquet hall charges to feed different sized groups of people
Number Of People  COST
10 $200
14 $252
21 $441
23 $471
Using a linear model, what is the approximate residual value of the cost to feed 21 people
Answer Choices:
A.$8 B.$12 C.$15 D.$21 E. $34 F. $47 G. $52 H. $43 I. $32 J. $25 K. $19 L. $5
~I got K. $19 I dont understand this problem please help me i did everything with a calculator

so, what were your calculations? If we are to analyze why your answer may be wrong, show us how you got it.
posted by Steve

I did it on a calculator and followed my teacher steps dont know how to explain
posted by Jack(BIG HELP)

rubbish. If you followed the steps, what were they?
posted by Steve

On moodle its a video.
posted by Anonymous
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