100
200
200/2 = 100 is one possibility
2 ten billions equals 20 billion. Divide by 100 gives 200 million.
divide by 10 result 2
40
200+2 = 202
175
To convert years into centuries, divide the number of years by 100. For example, 200 years would be 2 centuries (200 divided by 100 equals 2).
2x2 = 200 Divide both sides by 2: x2 = 100 Take square roots of both sides: x = -10 or x = +10
4
200/80 = 5/2 = 2.5
66.6667