4/100= x/4,500 18,000/100= $180x2.5= $450
AFTER 25%
oriignal=100%
discount of 25% means minus 25%
100%-25%=75%
therefor
180=75% of original
180=0.75 times originail
divide both sides by 0.75
240=original
$240
Answer:

Step-by-step explanation:
Attachment :)
We use long division
Answer:
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Step-by-step explanation:
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Answer:
She completes a lap every 3 minutes and 45 seconds
Step-by-step explanation:
Divide 60 by 16.