Answer:
b
Step-by-step explanation:
Answer:
60
Step-by-step explanation:
To find the mean;
add up the data
(50+60+60+70) =240
Then divide by the number of data points
240/4 = 60
The mean is 60
We can use algebra.
So, what rate time 1.20 = .80
Let x = the rate (in a decimal form)
1.20x = .80
x = .6666666666
Now, we need to multiply by 100 to get a percentage.
66.66 The price is 66% of the regular price.
They marked it off
33.33%
Answer:
109 cm
Step-by-step explanation:
The Circumference of a circle, C is given as ;
2πr
Where, r = Radius
Radius, r = 17.4 cm
C = 2 * 3.14 * 17.4
C = 109.272 cm
C = 109 cm (nearest whole number)
Answer:
slope= 1/2
Step-by-step explanation:
This easiest way to do it is rise/run, which is equal to 1/2 or 0.5
