At his kopitiam stall, Mr Tan uses 2 L 50 mL of syrup and 4 L 750 mL of water to make a large batch of teh tarik. He then pours the drink into cups that each hold 450 mL. How many full cups can he fill?
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Worked Solution
Step 1: Convert both volumes to millilitres.
2 L 50 mL = 2 000 + 50 = 2 050 mL
4 L 750 mL = 4 000 + 750 = 4 750 mL
Step 2: Find the total volume.
2 050 + 4 750 = 6 800 mL
Step 3: Divide by the cup size to find the number of full cups.
6 800 ÷ 450 = 15 remainder 50
(Check: 15 × 450 = 6 750 ✓ and 16 × 450 = 7 200 > 6 800 ✓)
Step 4: Since only full cups are counted, the remainder is ignored.
Answer: Mr Tan can fill 15 full cups.
Correct answer: 15
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