SOLUTION: Mario had 60kg of rice. He packed them into 4 small packs in the ratio of 1:2:3:4. What is the total weight of the smallest and the biggest packs?
Question 1015375: Mario had 60kg of rice. He packed them into 4 small packs in the ratio of 1:2:3:4. What is the total weight of the smallest and the biggest packs? Answer by macston(5194) (Show Source):
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The ratio is 1:2:3:4
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Add the number of parts: 1 + 2 + 3 + 4 =10
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The first packet has 1 part of 10 (1/10),
the second has 2 of 10 (2/10),
the third has 3 of 10 (3/10),
the fourth has 4 of 10 (4/10).
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The smallest has (1/10)(60kg)=6kg
The largest has (4/10)(60kg)=24kg
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The total of both is 6kg+24kg=30kg.
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ANSWER: The total weight of the smallest and largest packs is 30 kg.
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