Ron and Shawn had 60 sweets each. Ron gave 20% of his sweets to Shawn. After receiving the sweets from Ron, Shawn gave 50% of his total sweets to Tammy. How many sweets had Shawn left?

Answer 1

after the first swap,
Ron has 48
Shawn has 72
aft the second swap,
Shawn has 36
Tammy has 36