Cindy was asked by her teacher to subtract 3 from a certain number and then divide the result by 9. Instead, she subtracted 9 and then divided the result by 3, giving an answer of 34. what would her answer have been if she had worked the problem correctly?

Question

Sundance

Mathematics

14 December, 05:35

Cindy was asked by her teacher to subtract 3 from a certain number and then divide the result by 9. Instead, she subtracted 9 and then divided the result by 3, giving an answer of 34. what would her answer have been if she had worked the problem correctly?

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Answers (1)

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Noble · Answer 1

Reverse engineer the original value

Step 1.) 34 * 3 = 102

Step 2.) 102 + 9 = 111

Using 111 use proper sequence to derive solution

Step 3.) 111 - 3 = 108

Step 4.) 108 / 9 = 12

12 is the solution