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

asked by Jack(BIG HELP)
  1. 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
  2. I did it on a calculator and followed my teacher steps dont know how to explain

    posted by Jack(BIG HELP)
  3. rubbish. If you followed the steps, what were they?

    posted by Steve
  4. On moodle its a video.

    posted by Anonymous

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    a hall charges $30 per person for a sports banquet when 200 people attend. for every 10 extra people that attend, the hall will decrease the price by $1.50 per person. what number of people will maximize the revenue for the hall?
  2. Math

    it says the knights banquet hall uses the equation 25n-c+1250=0 determine the cost for a hall rental the legions banguet hall usues the equation 30n+995-c=0 to determine the cost for thier hall rental express each equation in
  3. Math

    2)Banquet Seating A banquet hall offers two types of tables for rent: 6-person rectangular tables at a cost of $26 each and 10-person round tables at a cost of $51 each. Kathleen would like to rent the hall for a wedding banquet
  4. Algebra

    The total cost of renting a banquet hall is a function of the number of hours the hall is rented. The owner of the banquet hall charges $85 per half hour up to a maximum of 4 hours plus a $50 cleaning fee. What is the greatest
  5. Math

    A ferry boat holds 800 people. There are 260 people already on the boat. The owner of the boat wants to load several tour groups on. The tour groups come in sizes of 40 people or 50 people. The owner would like an equal number of
  6. math

    1. Which figure best models 6^2? A. 6 x 6 grid B. 9 x 4 grid C. 5 x 5 grid D. 6 x 2 grid 2. Ned, Sara, and Allen went on a bird-watching trip to a national park. Ned identified a total of 8 birds. Sara identified 3 times the
  7. Math

    The table shows the cost of a ski rental package for a given number of people. Using the rate of change, what is the cost for 13 people? People Cost ($) 2 70 3 105 4 140 5 175 There are 4 answer choices - 560, 440, 520, 480. I got
  8. math

    each table in a banquet room seats 8 people. The room can seat no more than 360 people. Write and solve an inequality to represent the number of tables in the banquet room
  9. math

    The cost of providing a plate of lunch to a certain group of people is partly constant and partly inversely proportional to the number of people. If it costs #30 per plate to feed 40 people,find the cost per plate to feed 50
  10. math

    an office manager is renting a local hall for un upcoming event. The hall costs $200. The food costs $14 per person. The office manager is not sure how many people will attend. Which quantity is not a variable quantity - the cost

More Similar Questions