I believe your answer should be 3.
Answer: Last option.
Step-by-step explanation:
In order to estimate the percent "n" of a number"x", you need easy numbers to work with, therefore you can round "n" and "x" up or down; but it is important to remember that this estimation does not give you an exact value.
You can observe that Sergei's first step was to round 149% and 67 up, getting this result:

To verify if this estimate is less or greater than the actual answer, we can find the actual answer. This is:
Therefore, we can conclude that<em> the estimate is greater than the actual answer because the percent and the number were both rounded up</em>.
Answer:
a - 162
b - 234
Step-by-step explanation:
mental mathed it
1/2m-3/4(8)=16 m would be 44
Answer:
B) 5/4
Step-by-step explanation:
(2,3)....x1 =2,y1=3
(6,8)....x2=6,y2=8
Slope=(y2-y1) /(x2-x1)
Slope =(8-3)/(6-2)
Slope =5/4