Answer:
2nd quadrant and 3rd quadrant
Step-by-step explanation:
He can make 15 chess boards.
All you need to do is multiply 3 by 5.
75% of n is 375.
Step-by-step explanation:
Given,
45% of a number n = 225
We will find n first.

Dividing both sides by 0.45

Now we have to find 75% of n.
75% of n = 
75% of n = 375
75% of n is 375.
Keywords: percentage, division
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Yes it is b because a positive multiplied by a negative is a negative.