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worty [1.4K]
2 years ago
6

The elves and reindeer are getting ready for a meeting with Santa.

Mathematics
1 answer:
Feliz [49]2 years ago
3 0

Let e and r be the number of elves and reindeers, respectively.

We know that:

r+e=14 (so far 14 of them have arrived)

4r+2e = 38(each reindeer has 4 legs and each elf has two)

If we multiply the first equation by 2 we have 2r+2e=28, and if we subtract this equation from the second we have 2r=10 which implies r=5.

So, there are 5 reindeers and 9 elves (remember that they have to sum up to 14).

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