exam Maths Puzzle Numerical Ability

An audio store buys 60 cassettes. It gives away 3 cassettes free for a contest. It sells the remaining cassettes for 2 time the purchase price. The profit on the cassettes is $

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write the equation of the line that passes through point (6,-7) with a slope of -2 The weather news says there is a 30% chance of rain this weekend. Make an area to represent all possibilities. Find the probability that it will rain.
a. No days
b. One day
c. Two days