#### Cost and selling price, profit, VAT.

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?