We write two and a half as 2.5 in decimal form.
Two quarters is one half. In decimal form: 0.5
The decimal form is 4.2
0.025
0.0025
Fifty-two tenths decimal form is 5.2
Two and five hundredths in decimal form = 2.05
"over half" is the same as two times.
Two tenths in decimal form is 0.2 (just divide two by 10)
Two hundred in decimal form = 200.0 or just 200
42.5
It is two and two tenths.