MATHEMATICS MIDDLE SCHOOL

Find two sets of coins that make 120% of a dollar, where no type of coin is in both sets

Answers

Answer 1
Answer:

Four quarters with four nickles make up 120% of a dollar.

12 dimes make 120% of a dollar.

A dime is equal to one-tenth of a dollar.

A penny is equal to one-hundredth of a dollar.

A nickle is equal to one-twentieth of a dollar.

A quarter is equal to one-fourth of a dollar.

120% of a dollar = 1 dollar + 0.2 dollars = $1.2

\begin{aligned} \text{First set} &= \text{Four quarters + Four nickles}}\n &= 4 * 0.25 + 4 * 0.05\n&= \$1 + \$0.2\n&= \$1.2\end{aligned}

\begin{aligned}\text{Second set} &= 12 \:\rm dimes\n&= \$12 * 0.1\n&= \$1.2\end{aligned}

Thus, Four quarters with four nickles make up 120% of a dollar and

12 dimes make 120% of a dollar.

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Answer 2
Answer: 12 dimes makes 1.20
4 quarters and 4 nickels makes 1.20

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In 2003, 0.219 of the people in the United States were younger than 15 years old. Write the fraction with a denominator of one.

Answers

In 2003, 0.219 of the people in the United States were younger than 15 years old. Write the fraction with a denominator of one.

Answer: The decimal 0.219 can be converted to fraction by multiplying and dividing 0.219 by 1000. Therefore, we have:

(0.219)/(1000) * 1000

(219)/(1000)

Therefore, 0.219 can be written as (219)/(1000)

After sharing with the class, Dana has 4/12 of her cupcakes left. What is the fractional part of the cupcakes did she share with the class?A. 2/3
B. 1/4
C. 3/4
D. 1/3

Answers

the answer to that is d 1/3 because that is the same of 4/12


She shared 2/3 of her cupcakes

Need help what’s the correct answer for this question?

Answers

Answer:

8

Step-by-step explanation:

A scale factor of 4/5 means that each side length or distance is multiplied by 4/5. 10*4/5=8. Hope this helps!

What metric unit should i use to measure the mass of a monkey

Answers

You should use grams
grams would be good enough

Steven earns extra money babysitting. He charges $31.25 for 5 hours and $50 for 8 hours. Write an equation to represent the relationship. Tell what the variables represent.

Answers

I’m not sure but this seems right


Y=6.25X

A carnival has a duck pond booth. You choose a rubber duck at random. The mark on the bottom of the duck tells you whether you won a small, medium, or large prize, or no prize at all. There are 65 ducks floating in the pond. There are 3 marked as large-prize winners, 13 ducks marked as medium-prize winners, and 21 ducks marked as small-prize winners. Find the theoretical probability of winning a medium prize at the duck pond. Express your answer as a decimal. If necessary, round your answer to the nearest thousandth.0.2
0.8
5
0.569

Answers

The theoretical probability of winning a medium prize at the duck pond is 0.2, Hence option A is correct.

What is probability?

Probability is the ratio of number of favorable outcomes and total number of outcomes. it deals with finding out the likelihood of the occurrence of an event.

According to the given information,

Number of medium-prize winning ducks = 13

The total number of ducks = 65

The theoretical probability of winning a medium prize at the duck pond can be found by dividing the number of medium-prize winning ducks (13) by the total number of ducks (65).

So, the probability of winning a medium prize is,

= 13/65

= 0.2 or 20%

Therefore, the theoretical probability of winning a medium prize at the duck pond is 0.2 or 20%.

Learn more about the probability visit:

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#SPJ2

Hi there! :)  I believe the answer is 0.2. The way I got 0.2 is because there are 13 medium-sized ducks and there are 65 total ducks floating I did 13/65( 13 divided by 65) which equals 0.2. For theoretical probability you divide by the number of outcomes.

Hoped I helped! :D
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