1.

Complete the
table by calculating the value of each letter:

Number | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 |

Selling price, R | 115 | 218,15 | 63 | 816 | 794 | m | n |

Discount percentage | 10 | 5 | e | g | j | n | 12,5 |

Discount given, R | a | c | 4,10 | 61,2 | k | 62,33 | q |

You pay | b | d | f | h | 730,48 | 353,17 | 287 |

2.

Complete the
table by calculating the value of each letter:

Number | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 |

Cost price, R | 45,52 | 25,8 | 25 | f | h | 21,25 | p |

Profit, percentage | 8 | 25 | d | g | k | m | 8,5 |

Profit, R | a | c | 16,25 | 107,07 | 96,79 | n | q |

Selling price, R | b | d | e | 428,61 | 742,03 | 25,08 | 52,34 |

2.

Complete the
table by calculating the value of each letter:

Number | 3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 |

Selling price, R | 15 | 36,25 | e | g | 804,51 | 55,64 | p |

VAT | a | c | f | h | j | m | q |

Final price, R | b | d | 135,48 | 572,28 | k | n | 92,66 |

4.

You buy picture
cards at R5 each and you sell them at R8 each.

4.1

Write a formula,
in words and in symbols, that you can use to calculate the cost of any number

of cards.

Use the following
symbols: c : cost in Rand; n : the number of cards bought.

4.2

Write a formula,
in words and in symbols that you can use to calculate the income from any

number
of cards sold.

Use the
symbol a : income and q : number of cards sold.

4.3

Write a formula, in words
and in symbols which you can use to calculate the profit made.

Use
P for profit.

4.4

Let P = 8q - 5n.
What happens if

4.4.1

q is bigger than n?

4.4.2

q is equal to n?

4.4.3

q is smaller than n?

4.5

When will
you make a loss?

4.6

Suppose you
want to make a profit of R3 600 per month. How many cards must you sell to

make
this profit?

5.

You make
picture cards. The cost is R2,50 per card and you sell the card at R5.

5.1

How much
profit do you make per card?

5.2

What is
percentage of the profit per card?

5.3

You want
to have a minimum income of R4 500 per month. How many cards must you sell per month?

5.4

The cost of
printing the card now rises by 18% and you still sell the cards at R5 each.

How much
profit do you now make per card and what is the percentage profit made?

5.5

How many
cards must you now sell to make the same income as in 5.3?

5.6

You want
to make the same percentage profit as in 5.2. At what price must you now sell the cards?