Since $45 is 60% of the total cost, you can make an equation or a proportion to solve it....
45 = .6x for example, now divide by .6 and you'll get 75.
So 45 is 60% of 75 and the total cost then is $75
Answer:
Assume the number is X. What is given can be written as the following:
X < (1/4)*(8X+4)
Multiply 4 on both sides
4X< 8X+4
Subtract 4X+4 from both sides
-4 < 4X
-1<X i.e., X>-1 the number is greater than -1.
Would you not just multiply all of the following numbers to get a total of 160?
Answer: 28 decibels.
Step-by-step explanation:
1. To solve this exercise you must observe the graph attached in the problem, where the intensity of the sound is represented in the x-axis and the decibel measure is represented in the y-axis.
2. As you can see in the graph, when the value of x is 500 (x=500) the value of y is 28 (y=28).
3. Therefore, the answer is the second option: 28 decibels.