Verified Answer :

30.03
3 tens 3 hundredths

5 tens equals 50 because 510 equals 50.
6 hundredths equals 0.06 because the "ths" equals decimal.
2 tens equals 20 because 2
10 equals 20
3 hundredths equals 0.03

these add up to (50+0.06)-(20+0.03)
this equals 50.06-20.03
= 30.03

Hope this helps!