Answer:
Number of years between 1950 and 2100 =

150 = 50 + 50 + 50 years.

So, total population in 2100 is 375,000,000.
The answer is the one that runs 10 miles once every 4 days
9x-3x-5-3=2x-12
12x -8 =2x-12
-2x. -2x
10x. -8. =-12
+8. +8
10x. = -4
X = -0.4
One with 40cm being the side, 70 diagonal and 80 as the base so it is a right angle triangle
5 7/8 is 47/8
Because,
You multiply 5 and 8 and then add 7, then you keep the denominator.