Answer:
2.4 mass increase
Explanation:
6-3.6=2.4
67%
formula is = the new weight - the old weight/the old weight ×100%
=6-3.6/3.6 ×100%
=2.4/3.6×100%
=0.6666×100%
=66.6% approximately
1.6m questions
2.0m answers