1. A container filled with some water shown in Figure 1 below has a rectangular base area of 120 cm3. Figure 2 shows the same container being turned upside down. Find the capacity of the container in litres.
2. Both shops, ABC and XYZ, offered a 15% discount for the same type of mattress. If Mr Muthu were to buy from Shop XYZ, he would have paid $38.25 less than the discounted price in Shop ABC.
a) What was the difference in the original price of the mattress between the two shops?
b) The original price of the mattress in Shop ABC was $1510. What was the minimum percentage discount it must offer so that the discounted price in Shop ABC would be lower than the discounted price in Shop XYZ? Give your answer correct to the nearest percent.
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