45% = es002-1.jpg = es002-2.jpg = 4.5

What is her mistake?

in Pre-Algebra Answers by Level 10 User (57.4k points)

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3 Answers

45/100 is correct; 9/20 is correct; but 9/20=0.45. Jenny did not move the decimal point to the right position, so she had 10 times the proper answer.

by Top Rated User (897k points)

The decimal equivalent is not correct. The decimal point is in the wrong position. The decimal point should be to the left of the 4, so the correct answer is 0.45.

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