EM-1046
Types of numbers
E Math · Secondary 3 · Medium · Types of numbers
A toilet uses 4.5 litres of water for each full flush and 3 litres for each half flush. In one day, there are 9 full flushes and 7 half flushes. What is the total amount of water used for flushing that day?
- 61.5
- 54.0
- 75.0
- 31.5
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