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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Answer: D’Andrea
Explanation: 93/3 = 31
176/4=44
215/5= 43
111/3= 37
44 is greater than 31, 43, and 37 therefore D’Andrea does the most sit-ups per minute.
Answer:
7x+5y
Step-by-step explanation:
Combine like terms:
5x+2x+(-y)+6y
7x+(6y-y)
7x+5y
Hope this helped!