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Mathematics 18 Online
OpenStudy (anonymous):

A number is divided by 6. Then, 3 is added to the quotient, and the result is 5. What is the number?

OpenStudy (mathstudent55):

Start from the end, and do the operations in reverse.

OpenStudy (mathstudent55):

I found it.

OpenStudy (mathstudent55):

Yes, you're correct.

OpenStudy (anonymous):

k thanks just wanted to make sure

OpenStudy (mathstudent55):

Start with 5 and work backwards. The last operation that led to 5 was "3 is added to the quotient", so do the opposite operation. Take 5 and subtract 3. You get 2. The operation before that led to 2 was "A number is divided by 6" Take 2 and multiply by 6. 2 * 6 = 12. Now let's check: Take 12 and divide by 6: you get 2 Now add 3: you get 5, just like the problem stated.

OpenStudy (mathstudent55):

You're welcome.

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