A graduated cylinder contains 560 mL of water. Priya pours the water into two beakers, A and B, until both beakers are full. Beaker A holds 3 times as much as Beaker B, and together they hold 240 mL. How much water is left in the graduated cylinder after filling both beakers?
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Worked Solution
Step 1: Use the ratio to find the volume of each beaker.
Let Beaker B = 1 unit. Then Beaker A = 3 units.
1 unit + 3 units = 4 units = 240 mL.
1 unit = 240 ÷ 4 = 60 mL (Beaker B).
Beaker A = 3 × 60 = 180 mL.
Step 2: Find the total poured into both beakers.
60 + 180 = 240 mL.
Step 3: Find the water remaining in the cylinder.
560 − 240 = 320 mL.
Answer: 320 mL of water is left in the graduated cylinder.
Correct answer: 320 mL
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