In the image, two circles are centered at A. The circle containing B was dilated to produce the circle containing B′. What is th
e scale factor of the dilation?
A) 1
B) 2
C) 0.5
D) -0.5
A) 1
B) 2
C) 0.5
D) -0.5
2 answers:
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Given:
a.) The price of an item has dropped to $63 today.
b.) Yesterday it was $140.
For us to be able to determine the percentage decrease, we will be using the following formula:
We get,
Original Price = $140
Present Price = $63
Therefore, the decrease of the price in percentage is 55%.