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3 years ago

If a desk is $186with a discount of 50% what is the original retail price for the desk

Mathematics

1 answer:

spayn [35]3 years ago

3 0

Answer: $372

Step-by-step explanation:

Let the original retail price be 'x'

Therefore, using the give information, we can form the following equation:

50/100x = 186

Now, solve for x

50/100x = 186

1/2x = 186

x = 186 * 2

x = 372

The original retail price is $372.

Check:

50/100(372) = 186

1/2(372) = 186

186 = 186

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stira [4]

The solution is $x=-1$ and $x=-0.5$

Step-by-step explanation:

The expression is $2x(x+1.5)=-1$

Multiplying the term $x+1.5$ by $2x$ , we get,

$2x^{2} +3x=-1$

Adding both sides by 1,

$2x^{2} +3x+1=0$

Taking factor, we get,

$\begin{array}{r}{x^{2}+2 x+x+1=0} \\{2 x(x+1)+1(x+1)=0} \\{(2 x+1)(x+1)=0}\end{array}$

Equating the factors to 0,

$\begin{aligned}2 x+1 &=0 \\2 x &=-1 \\x &=-\frac{1}{2}\\x&=-0.5\end{aligned}$ and $\begin{aligned}x+1 &=0 \\x &=-1\end{aligned}$

Thus, the smaller value is $x=-1$

The solution is $x=-1$ and $x=-0.5$

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3 years ago

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