20 + 50 + 20 + 10 = 50 = 150
30 or -10 if the 20 is negative.
2+2+2+10+5+5+5+20+20+20+20+20+20=151
10 plus 20-2 - 11 plus 3 is equal to 20.
20 + 10 + 5 = 35
10 + 15 + 20 = 45
14.95 + 20 + 10 + 2.06 = 47.01
1 + 10 + 20 = 31
11 plus 5-10 plus 20-9 plus 14-10 is equal to 21
10 + 20 = 30
20
20