Jackie wants to buy some hair ties that each cost $5.95, and a lip balm that costs $2.15. She has $20. Use the guess, check, and
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The ratio of their area is 9/4
<h2>Explanation:</h2>We use ratios to compares values. In this exercise, we are comparing the circumference of two circles, which is:
and we want to know what is the ratio of their area. Recall that the circumference of a circle is given by:
If we define:
Then, the ratio of the circumference of two circles is 3:2 is:
The area of a circle is given by:
So the ratio of their area can be found as:
So:
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