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3 years ago

There are 20 students at lunch. 1/5 of the students are in the hall. How many students are in the hall

Mathematics

2 answers:

Kipish [7]3 years ago

8 0

There are 4 students in the hall.

lianna [129]3 years ago

7 0

Since there are 20 students at lunch. And it's asking 1/5 of 20 you take 20 and divide it by the second number which in this case is 5, so 20➗5=4

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2 years ago

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JulijaS [17]

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3 years ago

Solve: -4x-8x+17=23<br> check solution

Sveta_85 [38]

Answer:

x = -1/2

Step-by-step explanation:

To solve the equation, we first need to combine like terms:

$-12x+17=23$

Simplify further:

$-12x=6$

Divide by -12 on both sides to get:

$x = -\frac{1}{2}$

To check the solution, plug x back into the original equation and check if we get the correct answer:

$-4(-\frac{1}{2})-8(-\frac{1}{2})+17=23$

$2+4+17= 23$

$23=23$

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3 years ago