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Elanso [62]
3 years ago
9

Simplify:

Mathematics
2 answers:
OlgaM077 [116]3 years ago
8 0
   4x + 5                          5x                     4x + 5 - 5x                 -x + 5
----------------     -      ----------------     =     ------------------   =  -------------------
6x^2 - x - 12             6x^2 - x - 12            6x^2 - x - 12           6x^2 - x - 12

galina1969 [7]3 years ago
4 0

Answer:

\frac{-x+5}{6x^2-x-12}}

Step-by-step explanation:

\frac{4x+5}{6x^2-x-12} - \frac{5x}{6x^2-x-12}

To subtract fractions the denomintors should be same

Here the denominator are same

so we combine the numerators and put denominator only once

\frac{4x+5-5x}{6x^2-x-12}}

Combine like terms

\frac{-x+5}{6x^2-x-12}}

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Answer: The percent gain was 25%.

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Given, Cost price of lot = $1,200

Selling price of lot = $1,500

The percent gain = \dfrac{\text{selling price- cost price}}{\text{cost price}}\times100

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\Rightarrow\text{ Percent gain}=\dfrac{300}{1200}\times100\%\\\\\Rightarrow\text{ Percent gain}=\dfrac{1}{4}\times100\%\\\\\Rightarrow\text{ Percent gain}=25\%

Hence, the percent gain was 25% based on his purchase.

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