Page 9 - Mathematics Literacy Grade 11
P. 9

1.3  Explain why the monthly payment to DSTV remains the same in all the
                     months.


               2.   Jabulani pays R1, 10 per minute for a prepaid call on his cell phone. The table
                    below shows the relationship between the number of minutes he speaks and the
                    cost:









               2.1  Copy and complete the table.

               2.2  Write down the two variables in this situation and identify which is the dependant
                    and independent variable.

               2.3  Describe how the variables change along each row.


               3.   Sesfikile High School wants to rent a telephone line from a telecommunication
                    company. The school was given the following options:
                    •  A landline package that costs R1 500 upfront plus a R1,50 for every minute
                       talked on the phone.
                    •  A landline package that allows unlimited calls per month at a fixed rate of R2
                       200 per month.
                    3.1  Which of the two options would you classify as a constant relationship?
                          Give a reason for your answer.
                    3.2   Mrs. Hernandez asked her class to tabulate the information for Option 1 for
                          five   months. Copy and complete the table


               Number of minutes          40         80           120          160          200
               talked per month

               Cost of landline           1560


                    3.3  Write down the dependent and independent variables.

                    3.4 Describe how the two variables change in each row. Do they display any
                         patterns?

                    3.5  Does  the  cost  of  the  landline  remain  the  same  in  this  scenario?  If  yes,
                         explain your answer. If no, give reasons for your answer.

               4.   If it takes 3 men 8 hours to deliver papers in one location answer the following
                    questions:

                    4.1   How long will it take 4 men to deliver the paper in the same location?




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