Answer to Question #92521 in Math for Jethro Jaftha

Question

QUESTION 2

2.1 Three students, Thando, Busi and Peter, painted a room together. They spent 5 hours, 3 hours

and 2 hour, respectively, on the task. They earned R500 in total, for the job. How much should
each of them receive? (3)

2.2 A trader made a profit of 50% on merchandise that he sold for R10000. Calculate the original total price of the goods. (3)

QUESTION 3

3.1 The fourth, fifth and sixth terms of a geometric sequence are x − 4, x + 2 and 3x + 1 respectively. Determine:

(a) the possible values for x. (3)

(b) the value for the first term in the sequence if x < 0 (i.e. x is negative). (4)

3.2 The first term of an arithmetic sequence is 10 and the sixth term is 85. Find the first three terms of the sequence. (4)

Answer 1

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