MATHEMATICS MIDDLE SCHOOL

megan buys 3 bracelets and 3 necklaces. Each bracelet cost $5. Megan pays the clerk $40 and gets $4 change. What is the cost,in dollars,of one necklace.

Answers

Answer 1
Answer:

The cost one necklace is $7.

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Megan pays the clerk $40 and gets $4 change, so the total cost is $40 - $4 = $36.

We can use this information to set up an equation and solve for x, the cost of one necklace:

3(5)+ 3x = $36

15 + 3x = $36

Subtract 15 from both sides

3x = $36 - $15

3x = $21

Divide both sides by 3

x = $21 ÷ 3

x = $7

Hence, the cost one necklace is $7.

To learn more on Equation:

brainly.com/question/10413253

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Answer 2
Answer: cost of both = 40 - 4 = $36

bracelets cost = 3 * $5 = $15
 

all (3) necklaces cost = $36 - $15 = $21
1 necklaces cost = $21/3 = $7

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The average of a set of 5 numbers is 44. If the number 50 is added to the set, what is the new average?

Answers

Answer:

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Answers

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Best Regards, Mike. 

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Answers

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