A book sold 39,200 copies in its first month of release. Suppose this represents 8.7% of the number of copies sold to date. How
many copies have been sold to date?
Round your answer to the nearest whole number.
1 answer:
Answer: 450574.7126 which rounds up to 450575
Step-by-step explanation: Do cross multiplication
100 X
----- x ---------
8.7 39200
100 x 39200 = 3920000/ 8.7 = 450574.7
TO CHECK ANSWER
450574.7216 x 8.7% ( convert to decimal .087) = 39200
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