AMC 8 2020 Problem 1 | Ratio Problem

Luka is making lemonade to sell at a school fundraiser. His recipe requires 4 times as much water as sugar and twice as much sugar as lemon juice. He uses 3 cups of lemon juice. How many cups of water does he need?

• 6
• 8
• 12
• 18
• 24

AMC 8 2020 Problem 1

24

Try to rethink and solve by yourself

Try to find the ratios of quantities of water, sugar and lemon juice

The ratio is Water: Sugar: Lemon Juice, or $8: 2: 1$. So Luke uses $2\times 3= 6$ cups of sugar. Now the amount of water is 4 times the quantity of water .

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