Answer:
250 jars
6 hours
Step-by-step explanation:
We know they make 50 jars in an hour, so 50 times 5 is 250 jars in 5 hours. Since 300 is 50 more than 250, and we know 50 times 6 is 300, we can say that we would need 6 hours to make 300 jars.
If

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.
3 small notebooks and 3 large ones
My reasoning is 3 times 7 is 21
63 - 21 = 42
3 times 14 is 42
So 42 + 21 = 63
Therefore 3 small and 3 large
They collected 300 cans in all. I did this by multipying 63 by 100 (6300) then divided it by 21. I hope this helps!
First you have to place the compass on the vertex of the angle