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Liula [17]
3 years ago
11

Derek’s favorite clothing store is having their annual fall sale. All clothing is 25 percent off. A shirt he really likes has an

original price of $28. Derek has $24 in his wallet. He is wondering if he has enough money to buy the shirt now that it is on sale. He knows he must also pay sales tax. The sales tax rate is 8 percent and is calculated on the discounted price. Does Derek have enough money to buy the shirt? Justify your answer. Your explanation should contain answers to the following questions:
 1. What is the amount of the discount?
  2. What is the sale price?
 3. How much will Derek pay in sales tax?
 4. What is the total cost of the shirt?
 5. Does Derek have enough money to buy the shirt?
Mathematics
1 answer:
Anarel [89]3 years ago
4 0
I'll come back to you
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The tools used were mathematical reasoning, multiplication and division. 
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Answer:

1. This is a "RANDOMIZED CONTROLLED EXPERIMENT".

A randomized controlled experiment is a type of research study, were the researcher randomly select samples in other not to be biased. This samples are separated into two groups, which are the experimental and the controlled group.

2. The research has a treatment group and a controlled group.

A treatment group are those group that received some special treatment from the researcher, it can also be called the experimental group. According to the research, the treatment group are those who are in the POVERTA scheme. That is the 320 communities.

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4. This study does not provide evidence that being in a community receiving POVERTA benefits causes a lower rate of childhood illness. Because the research did not involve treatment of illnesses and they is no experimental evidence that shows that POVERTA benefits is interrelated with illness, as illness involves the internal functions of human body.

5. Such study will be called a "RANDOMIZED CONTROLLED EXPERIMENT". Because their randomly isolated themselves, and the POVERTA treatment was not given to them. The researcher was not based in selecting them not to participate.

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Answer:

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Step-by-step explanation:

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