6 grade Math
posted by Nate .
How do I divide this ... 3 divided by 1/2

3 / (1/2)
We can't divide fractions, so we use the reciprocal of the divisor and multiply.
3 * (2/1) = 6 
Should it be 1 1/2

If you multiply 3 by 1/2, you'll get 1 1/2
http://www.mathsisfun.com/fractions_division.html 
You cant divide a whole number by a fraction, so dividing it by 1/2 would actually be multiplying 3 by 2... so the answer is 6 , I know this because we covered this in my class last month.

estimate the sales tax and final cost of a book that costs $12.99 with a sales tax of 6%

3 divided by 0.5 which is 6
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