SOLUTION: a certain number is increased by 8 ans that sum is divided by 2. the result is 6 1/4 . find the number.

Question 214761: a certain number is increased by 8 ans that sum is divided by 2. the result is 6 1/4 . find the number.
Found 2 solutions by rfer, drj:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(x+8)/2=6.25
x+8=12.50
x=4.5
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
A certain number is increased by 8 and that sum is divided by 2. The result is 6 1/4. Find the number.

Step 1. Let x be the number.

Step 2. that number is increased by 8 and that sum is divided by 2.

Step 3. where we converted

Step 4. Multiply 4 to get rid of denominators

Step 5. Subtract 16 to both sides of equation

Step 6. Divide 2 to both sides of equation to get x

Step 7. ANSWER: The number is 9/2.

I hope the above steps were helpful.

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J

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