In my opinion I think it's the third one
5 gerbils = p dollars
1 gerbil = p/5 dollars
g gerbils = pg / 5 dollars
5/p gerbils = 1 dollar
5d/p gerbils = d dollars
Answer:
<em>The actual width of the hair is 20 / 150 = 0.13 mm</em>
Step-by-step explanation:
<u>Scaling</u>
Objects can be represented in a reduced or augmented size by using scaling which is basically multiplying or dividing by a constant factor. We use scaling in several applications of real-life.
The human hair is magnified 150 times by a micro-phtograph. This is the scale factor.
The hair can be seen 2 cm wide in the photograph.
Converting to millimeters, 2 cm = 2*10 = 20 millimeters.
The actual width of the hair is 20 / 150 = 0.13 mm
Answer: 13
Step-by-step explanation: the square root is 12.68925
so i rounded up to 13
Answer: 40
Step-by-step explanation:
138/x = 207/60
8280 = 207x
divide by 207
40 = x
