8. The aspect ratio of a television screen is the ratio of the measure of the horizontal length to the measure of the vertical height.
Find the horizontal length of a television screen with an aspect ratio of 4 : 3 and a
vertical height of 90 cm.
9. A plane travels between Bloemfontein and Cape Town at a speed of 315 km/h.
If the trip takes 2 hours, what is the flying distance between the two cities?
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10. Tim bought 32 shares on the stock exchange for R7 each.
He sold 14 shares on Monday, 2 on Tuesday and 6 on Wednesday.
a) How many shares does Tim still have?
b) How much are his remaining shares worth?
c) If he sells the remaining shares for R9 each, how much profit will he make?
11. Jonah's monthly salary is R13 200. If 12% is deducted for tax, 1% for UIF and 2% for
pension, how much does Jonah receive each month after deductions?
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