There are 7 girls on a bus and each girl has 7 backpacks. In eachbackpack, there are 7 big cats. For every big cat, there are 7 kittenson the bus. How many legs are on the bus, not counting the driver?
Question
There are 7 girls on a bus and each girl has 7 backpacks. In eachbackpack, there are 7 big cats. For every big cat, there are 7 kittenson the bus. How many legs are on the bus, not counting the driver?
Solution
Sure, let's break it down:
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There are 7 girls on the bus. As humans, each girl has 2 legs. So, 7 girls have 7 * 2 = 14 legs.
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Each girl has 7 backpacks, and in each backpack, there are 7 big cats. So, each girl has 7 * 7 = 49 big cats. Since there are 7 girls, there are 49 * 7 = 343 big cats on the bus. As cats, each big cat has 4 legs. So, 343 big cats have 343 * 4 = 1372 legs.
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For every big cat, there are 7 kittens. So, there are 343 * 7 = 2401 kittens on the bus. As cats, each kitten also has 4 legs. So, 2401 kittens have 2401 * 4 = 9604 legs.
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Adding up all the legs, there are 14 (from the girls) + 1372 (from the big cats) + 9604 (from the kittens) = 10990 legs on the bus, not counting the driver.
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