.........where 78 is the total girls and d is the number of girls in a group.
There are 10 millimeters in a centimeter, so to find the amount of centimeters that 98mm is equal to, you do this:
98/10 = 9.8
9.8 is a smaller number than 12, so your answer is greater.
Answer:
Area of square with a side of 2r = 2(1) = 2 = 2^2 = 4
Area of circle = pi ( 1)^2 = pi
x = pi / 4 ≈ .79 = 79%
I don't understand the y after the 4... but would it be x=2 y=1 ?
