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2 years ago

8 cupcakes cost $32. What is the unit cost per cupcake?

Mathematics

2 answers:

antoniya [11.8K]2 years ago

7 0

<h3>Answer: $4 per cupcake</h3>

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Explanation:

The "per cupcake" means "for each cupcake" or "for 1 cupcake".

To get that initial "8 cupcakes" into "1 cupcake", we divide both given values by 8

8/8 = 1
32/8 = 4

The ratio 8 cupcakes : $32 then becomes 1 cupcake : 4 dollars

In other words, the unit cost is 4 dollars per cupcake.

MakcuM [25]2 years ago

5 0

$0.25

Used calculator!

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In Rivertown High School, about 30% of the students buy a raffle ticket. Given that a student buys a raffle ticket, there is a 1

lesya [120]

The probability that that a randomly selected student will buy a raffle ticket and win a prize = 0.03

Step-by-step explanation:

Step 1 :

Given,

The percentage of students buying the raffle ticket = 30%

The percentage that the student who bought the ticket wins the prize = 10%

We need to determined the probability that randomly selected student will buy a raffle ticket and win a prize.

Step 2 :

The probability that a student buys the raffle ticket = $\frac{30}{100} = \frac{3}{10}$

The probability that a student wins a prize = $\frac{10}{100}$ = $\frac{1}{10}$

The probability that a student who buys the ticket wins a price can be computed by taking the product of the above 2 probabilities.

= $\frac{3}{10}$ × $\frac{1}{10}$ = $\frac{3}{100}$ = 0.03

Step 3 :

Answer :

The probability that that a randomly selected student will buy a raffle ticket and win a prize = 0.03

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3 years ago

–6 < 2x – 4 < 4 solve the inequality

Ira Lisetskai [31]

Answer:

The answer is

Step-by-step explanation:

First of all add 4 to both sides of the inequality to make 2x stand alone

That's

Divide both sides of the inequality by 2 inorder to find x

That's

We have the final answer as

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3 years ago

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Step-by-step explanation:

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Set D is the set of positive two-digit even numbers less than 25 that do not contain the digit 0.

gavmur [86]

The required set of positive two-digit even numbers less than 25 that do not contain the digit 0 is 12,14,16,18,22,24.

<h3>What is integer?</h3>

An integer is a whole number (not a fractional number) that can be positive, negative, or zero. Zero is not a fraction or decimal of any number. It is neither positive nor negative.

Given:

Set D is the set of positive two-digit even numbers less than 25 that do not contain the digit 0.

According to given question we have

2-digit numbers are the numbers that have two digits and they start from the number 10 and end on the number 99.

Starting at 12 going up the two digit numbers even numbers less than 25 that do not contain the digit 0.

12,14,16,18,22,24

Therefore, the required set of positive two-digit even numbers less than 25 that do not contain the digit 0 is 12,14,16,18,22,24.

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