D. people do not have to have a good or service that another person wants
Reason: Money gives people a universal unit of value. For example, If I needed a toothbrush and I have a pair of scissors, In order for me to get a tooth brush is to trade my scissors with someone else who has a tooth brush and wants scissors. As you can see, this isn't practical. If I had money, I will only need to find someone who has a tooth brush.
131.88 or jus do radius times 2 so 21+ 21 = 42.
42 x pi(3.14) = 131.88
You have to ask yourself how would you read that decimal? It is 162 ten-thousandths because the last digit, which is 2 is in the ten-thousandths place. So the fraction would be 162/10000
<u>Let's take this problem step-by-step:</u>
<u>First let's set up the equation for the cost for one week of renting the car</u>
- agency charges $230 per week

- agency charges $0.25 per mile (<em>lets set the number of miles as 'x')</em>
<em> </em>
<u>The total cost was 415</u>, <em>therefore:</em>

Therefore, you traveled 740 miles
<u>Answer: 740 miles</u>
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Hope that helps!
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