Mr Majola owns a shop where he repairs household appliances. He would like to buy a cell phone so that he can contact his customers after their work is done. Two different cell phone providers forwarded quotes to him upon request. Cell phone provider SAVE MORE quoted R80 per month and R2,50 per minute. Cell phone provider CASH IN quoted R100,00 per month and R2,00 per minute. Look at the incomplete table below:

Principles of Economics 2e
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ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter2: Choice In A World Of Scarcity
Section: Chapter Questions
Problem 22CTQ: What assumptions about the economy must he true for the invisible hand to work? To what extent are...
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Area of original paper
3.1.1 Complete the table above.
lal paper change as htandia fokcs oto dsfterent laalves?
wa the or th
glain your anawer
Describe he kind of relationahip between the ares of the original paper and the
aumber of folds.
3.1.3
4.
Mr Majola owns a shop where he repairs household appliances. He woulid like to buy a cell
phone so that he can contact his customers after their work is done. Two different cell phone
providers forwarded quotes to him upon request.
Cell phone provider SAVE MORE quoted R80 per month and R2,50 per minute.
Cell phone provider CASH IN quoted R100,00 per month and R2,00 per minute.
Look at the incomplete table below:
Airtime in minutes: t
10
20
30
40
50
60
SAVE MORE'S cost in rands: CM
80
105
130
155 Ass 380530
CASH IN'S cost in rands: Ca
120
140
160 240 340 460
100
4.1 What does the table above show?
4.2 Write down the symbol which represents the independent variable.
4.3 Where does the value 80 in row 2 come from?
4.4 Explain the situation if SAVE MORE'S cost is R105.
4.5 Write down the formulae for calculating SAVE MORE's cost and CASH IN's cost.
4.6 Copy and complete the table above. Show ALL calculations.
4.7 Use the table in question 4.6 to draw a graph.
4.8 At what stage in minutes of airtime are the costs of CALL MORE and CASH IN equal?
4.9 Indicate the break-even point of the two cell phone providers on your graph
with the letter B.
4.10 Which of the two quotes will you advise Mr Majola to take? Support your
answer with an explanation.
5. You have a part-time job working at the local sports association. You are asked to buy enough
fertiliser to cover the main soccer field. The field is 50 yards wide and 100 yards long. (A yard
is the unit of length used in the USA.)
5.1 Convert these dimensions of the field to metres if 1 yard-0,914 metres.
5.2 Calculate the area of the field, giving your answers in m2 correct to the nearest whole
number. Use the formula A-1xb.
Transcribed Image Text:Area of original paper 3.1.1 Complete the table above. lal paper change as htandia fokcs oto dsfterent laalves? wa the or th glain your anawer Describe he kind of relationahip between the ares of the original paper and the aumber of folds. 3.1.3 4. Mr Majola owns a shop where he repairs household appliances. He woulid like to buy a cell phone so that he can contact his customers after their work is done. Two different cell phone providers forwarded quotes to him upon request. Cell phone provider SAVE MORE quoted R80 per month and R2,50 per minute. Cell phone provider CASH IN quoted R100,00 per month and R2,00 per minute. Look at the incomplete table below: Airtime in minutes: t 10 20 30 40 50 60 SAVE MORE'S cost in rands: CM 80 105 130 155 Ass 380530 CASH IN'S cost in rands: Ca 120 140 160 240 340 460 100 4.1 What does the table above show? 4.2 Write down the symbol which represents the independent variable. 4.3 Where does the value 80 in row 2 come from? 4.4 Explain the situation if SAVE MORE'S cost is R105. 4.5 Write down the formulae for calculating SAVE MORE's cost and CASH IN's cost. 4.6 Copy and complete the table above. Show ALL calculations. 4.7 Use the table in question 4.6 to draw a graph. 4.8 At what stage in minutes of airtime are the costs of CALL MORE and CASH IN equal? 4.9 Indicate the break-even point of the two cell phone providers on your graph with the letter B. 4.10 Which of the two quotes will you advise Mr Majola to take? Support your answer with an explanation. 5. You have a part-time job working at the local sports association. You are asked to buy enough fertiliser to cover the main soccer field. The field is 50 yards wide and 100 yards long. (A yard is the unit of length used in the USA.) 5.1 Convert these dimensions of the field to metres if 1 yard-0,914 metres. 5.2 Calculate the area of the field, giving your answers in m2 correct to the nearest whole number. Use the formula A-1xb.
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