Answer:
101.25 weeks
Step-by-step explanation:
890-80=810
810/8=101.25
Answer:
18%
Step-by-step explanation:
Percent change can be found using the following formula:
![\frac{original-new}{original}*100](https://tex.z-dn.net/?f=%5Cfrac%7Boriginal-new%7D%7Boriginal%7D%2A100)
Original represents the initial cost where new represents the new cost. We multiply the answer by 100 to get the percentage:
= 18%
Answer:
B) 34/48
Step-by-step explanation:
The easiest common denominator to find is the product of the denominators you have.
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The difference is ...
![\dfrac{5}{6}-\dfrac{1}{8}=\dfrac{5}{6}\cdot\dfrac{8}{8}-\dfrac{1}{8}\cdot\dfrac{6}{6}\\\\=\dfrac{40-6}{48}=\boxed{\dfrac{34}{48}}](https://tex.z-dn.net/?f=%5Cdfrac%7B5%7D%7B6%7D-%5Cdfrac%7B1%7D%7B8%7D%3D%5Cdfrac%7B5%7D%7B6%7D%5Ccdot%5Cdfrac%7B8%7D%7B8%7D-%5Cdfrac%7B1%7D%7B8%7D%5Ccdot%5Cdfrac%7B6%7D%7B6%7D%5C%5C%5C%5C%3D%5Cdfrac%7B40-6%7D%7B48%7D%3D%5Cboxed%7B%5Cdfrac%7B34%7D%7B48%7D%7D)
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<em>Additional comment</em>
The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.
5/6 -1/8 = 20/24 -3/24 = 17/24 . . . . reduced result
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Using the <em>least common denominator</em> does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.
1/4(24)= 6 60-6= 54 the answer is 54 ounces of shampoo left