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3 years ago

11(15g-13)=-6 help please

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

3 0

Answer:

g = 0.83

Step-by-step explanation:

11(15g-13) =-6

165g - 143 = -6

165g = 137

165 165

g = 0.83

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3 years ago

Students who attend Washington Middle School are either in seventh or eighth grade. At the end of the first semester 25% of the

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Answer:

There are 1240 students who attended Washington Middle School.

Step-by-step explanation:

Given:

Students who attend Washington Middle School are either in seventh or eighth grade.

At the end of the first semester 25% of the students at Washington Middle School were on the honor roll.

Seventh graders represented 60% of the students on the honor roll.

If 124 students on the honor roll were in eighth grade.

Now, to find the students attend Washington Middle School.

Let the total number of students be $x.$

So, the students at Washington Middle School were on the honor roll:

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As, given seventh graders represented 60% of the students.

So, the students on the honor roll represented as seventh graders:

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$=\frac{60}{100} \times \frac{x}{4}$

$=0.6\times \frac{x}{4}$

$=\frac{0.6x}{4}$

As, 124 students on the honor roll were in eighth graders.

Thus,

According to question:

$\frac{x}{4} -\frac{0.6x}{4} =124$

$\frac{x-0.6x}{4} =124$

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Multiplying both sides by 4 we get:

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4 years ago