Description
Solve a variety of problems including a word problem.
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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...