Math - Solve a variety of problems including a word problem.

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xevyrl2005

Mathematics

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Solve a variety of problems including a word problem.

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MA1015: Week 4 Assignment Worksheet About In this assignment you will solve a variety of problems including a word problem. Background In the health and physical sciences, as well as in many other areas of life, we often must evaluate a formula. A formula is an equation that indicates how variables are related to one another. Part 1: Solve the following problems 40 points Directions to complete Part 1: Solve the following promblems. Use the information below to answer question 1. The following table shows how much consumers are willing to pay for digital music and the potential revenue that can be derived from it. 1. a. What percent of the market will be reached if the price per song is $0.50? b. What is the potential revenue when the price is $0.50 per song? Show your work here for a. 5 points Type instructor feedback here Show your work here for b. 2. Solve for x: 4 = (–8)+ 3x Show your work here (See next page to continue part 1 and 2) 5 points Type instructor feedback here MA1015: Week 4 Assignment Worksheet e 3 3. Solve for e: (–7)= +14? Show your work here 5 points Type instructor feedback here Use the information below to answer question 4. The pictograph shows the number of hamburgers sold at Burger King, Del Taco, Jack in the Box, McDonald’s and Wendy’s. Each symbol represents 100 hamburgers. 4. a. What brand sold the least? b. How many Burger King hamburgers were sold? Show your work here for a. Show your work here for b. 5 points Type instructor feedback here MA1015: Week 4 Assignment Worksheet Use the information below to answer questions 5-7. The table shows the number of calories in five different hamburgers. 5. Find the mean number of calories for the hamburgers. Show your work here 5 points Type instructor feedback here 6. Find the median number of calories for the hamburgers. Show your work here 5 points Type instructor feedback here 7. Find the mode(s) of the number of calories. Show your work here (See next page to continue part 1 and 2) 5 points Type instructor feedback here MA1015: Week 4 Assignment Worksheet Use the information below to answer question 8. 8. Referring to the chart above, choose which year is described by the following circle graph: a. 2003 b. 2004 c. 2005 d. 2006 Show your work here (See next page to continue part 2) Type instructor feedback here 5 points MA1015: Week 4 Assignment Worksheet Part 2: Read the problem and answer the questions 10 points Directions to complete Part 2: Read the problem and asnwer the questions below. Problem: One of the formulas for calculating the correct dosage for a child is as follows: 𝐶= 𝑎 (𝑎+12) ∙A C = child’s dosage in milligrams a = age of the child A = adult dosage in milligrams What is the prescribed dosage of a certain medicine for a child 6 years old, if the adult dosage of the medicine is 180 milligrams? Question: After reading the problem, what are you being asked to do? Write the question here Type instructor feedback here Facts: What information are you provided? Write the facts here (See next page to continue part 2) 1 point 1 point Type instructor feedback here MA1015: Week 4 Assignment Worksheet Operation: What mathematical operation applies (addition, subtraction, multiplication or division) and write your equation in the box below. Note: Sometimes a combination of operations is necessary. Write the operation(s) here Type instructor feedback here Solve: What are the steps to solve the problem? Show your work here 3 points Type instructor feedback here Answer: What is the answer to the question? Write final answer here 3 points Type instructor feedback here Reasonableness: Does your answer make sense? Why? Write your explanation here 1 point 1 point Type instructor feedback here
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Explanation & Answer

Let me know if you have any questions:)

Part 1:
1.

a. If you look at the chart, you can look for the price of a song is $0.50. The column
below it is labeled “Percent of market reached.” That is what we want! So looking at the
percentage below “$0.50,” it reads 82%. That is what we want!

The answer is 82%.
b.
If you look at the chart, you can look for the price of a song is $0.50. The column two
below it is labeled “Potential revenue.” That is what we want! So looking at the
percentage two below “$0.50,” it reads $992.20. That is what we want!
The answer is $992.20.

2.

Solve for x: 4= (-8)+3x
4 = −8 + 3𝑥
+8
+8
------------------------12=3x
12 3𝑥
=
3
3
4=x
x=4

We first added 8 to each side. Then we divided each side by 3 to get x.

The answer is x=4.

e
3. Solve for e: (–7)= 3 +14?

−7 =

𝑒
+ 14
3

𝑒
3(−7) = ( + 14) 3
3
−21 = 𝑒 + 42
-42
-42
-----------------−63 = 𝑒
𝑒 = −63
We first multiplied each...


Anonymous
Awesome! Perfect study aid.

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