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prohojiy [21]
3 years ago
12

Joel took of an hour to do his chores. It took Halley the time it took Joel to do his chores.

Mathematics
1 answer:
Luden [163]3 years ago
4 0
So it only took halley a half an hour (30 minutes) to do her chores. 
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In a group of dogs and their owners, there are exactly 20 heads and 64 legs. How many dogs are in the group
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Answer:

If we assume that everyone in the group is an owner, we would have

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These 24 additional legs can be made from the difference of legs between the owners and dogs.

In this case, dogs have 4-2=2 more legs than an owner.

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