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Rzqust [24]
2 years ago
11

Need help FAST!

Mathematics
1 answer:
trapecia [35]2 years ago
5 0

Karla can only rent the hall for a maximum of 4.4 hours with $300.

<h3>Inequality</h3>

Inequality is an expression used to show the non equal comparison of numbers and variables.

Let y represent the total fee for renting the hall for x hours.

They charge a fixed fee of $200 plus an hourly fee of $22.50. Hence:

y = 22.5x + 200

Karla has $300, hence:

22.5x + 200 ≤ 300

x ≤ 4.4 hours

Karla can only rent the hall for a maximum of 4.4 hours with $300.

Find out more on Inequality at: brainly.com/question/22354790

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A store is having a sale on walnuts and chocolate chips . For 3 pounds of walnuts and 2 pounds chocolate Chips,the cost is $12.
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Answer:

Cost of one pound of walnuts = x = $1.5

Cost of one pound of Chocolate chip = y =$3.75

Step-by-step explanation:

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Cost of one pound of walnuts = x

Cost of one pound of Chocolate chip = y

Now making equations from the statements.

For 3 pounds of walnuts and 2 pounds chocolate Chips,the cost is $12: 3x+2y=12

For 5 pounds of walnuts and 6 pounds of chocolate chips the total cost is $30: 5x+6y=30

We need to solve these equations to find values of x and y

Let:

3x+2y=12--eq(1)\\5x+6y=30--eq(2)

Multiply eq(1) by 3 and subtract both equations

9x+6y=36\\5x+6y=30\\- \ \ \ - \ \ \ \ -\\-------\\4x=6\\x=\frac{6}{4}\\x=1.5

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3x+2y=12\\3(1.5)+2y=12\\4.5+2y=12\\2y=12-4.5\\2y=7.5\\y=\frac{7.5}{2}\\y=3.75

So, we get value of y: y=3.75

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Cost of one pound of Chocolate chip = y =$3.75

6 0
3 years ago
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