Question

There are 7 girls on a bus and each girl has 7 backpacks. In each
backpack, there are 7 big cats. For every big cat, there are 7 kittens
on the bus. How many legs are on the bus, not counting the driver?​

Answer 1

7*2=14

7*4=28

7*4=28

14+28+28=70

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Answer 2

Answer:

Let's start with the girl legs. There are 7 girls × 2 = 14 girl legs. Now let's count the cat legs. There are 49 backpacks which means there are 343 cats × 4 = 1,372 cat legs. Finally, let's count the kitten legs. There are 343 cats which means there are 2,401 kittens × 4 = 9,604 kitten legs. The total number of legs is 14 + 1,372 + 9,604 = 10,990 (or 10,992 if you're assuming there's a bus driver).