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Primary 6 Problem Sums/Word Problems - Try FREE
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A car showroom has 3 types of cars.
They are Mercedes, Bentley and Rolls Royce.
For every 4 Mercedes, there are 5 Bentley cars.
For every 4 Bentley cars, there are 5 Rolls Royce cars.
(a) What is the ratio of the number of Mercedes cars to Bentley cars to Rolls Royce cars ?
(b) The showroom sold 21 Rolls Royce cars and as a result, the percentage of Rolls Royce cars became 33`1/3`% of the total number of cars in the showroom.
How many cars were there in the showroom at first?
(c) How many of these were Bentley cars?
Notes to students:
- If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12
- If your answer is a ratio, leave it as a:b