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2 years ago

9

The product of a number and negative two is the same as 5 less than the half the number. What is the equation the represents thi

s?

1 answer:

snow_tiger [21]2 years ago

3 0

Answer:

N(-2) = $\frac{n(-2)\\}{2}$ -5 this is also equal to n=2.5

Step-by-step explanation:

multiply both sides by 2

-4n = -2n-5

add 2n to both sides

-2n = -5

divide both sides by -2

n=2.5

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Five carpenters worked 15 & 3/4, 15 & 1/4, 17 & 1/2, 12 & 1/2 and 17 & 1/2 hours respectively. What was the

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<u>The total </u><u>labor cost</u><u> of the carpenters is $2296.91</u>

The carpenters worked $15\frac{3}{4} , 15\frac{1}{4}, 17\frac{1}{2}, 12\frac{1}{2}, 17\frac{1}{2}$

<h3>Conversion of Fraction</h3>

Let's convert the mixed fraction to improper fraction

So, we would have

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<h3>Working Cost</h3>

Let's sum it up and multiply by the working cost per hour

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This becomes $78.5*29.26=2296.91$

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