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2 years ago

Charlie made $198 for 11 hours of work. At the same rate, how many hours would he have to work to make $126?

Mathematics

1 answer:

goldenfox [79]2 years ago

4 0

Answer:

Charlie would have to work 7 hours to make $126.

Step-by-step explanation:

198 ÷ 11 = 18

$18 - 1 hour

126 ÷ 18 = 7

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3 years ago

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An isosceles triangle has two sides of equal length. The third side is five less than twice the length of one of the other sides

4vir4ik [10]

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Step-by-step explanation:

We can set up a systems of equations to find the value of the third side.

Let's assume that $x$ is the length of both sides 1 and 2. Let's also assume that $y$ is the length of the third side.

We know that $x + x + y = 23$ , and looking at the first clue we can make the equation $y = 2x-5$ .

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2 years ago

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If three times a number added to 8 is divided by the number plus 7, the result is four thirds. Find the number.

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Answer:

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Step-by-step explanation:

The wording is ambiguous, as it often is when math expressions are described in English. We assume you intend ...

$\dfrac{3n+8}{n+7}=\dfrac{4}{3}\\\\3(3n+8)=4(n+7)\qquad\text{multiply by $3(n+7)$}\\\\9n+24=4n+28\qquad\text{eliminate parentheses}\\\\5n=4\qquad\text{subtract $4n+24$}\\\\\boxed{n=\dfrac{4}{5}}\qquad\text{divide by 5}$

The number is 4/5.

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3 years ago

Charlie made $198 for 11 hours of work. At the same rate, how many hours would he have to work to make $126? ​

Charlie made $198 for 11 hours of work. At the same rate, how many hours would he have to work to make $126?