In a class there is (x + 10) number of students whose average weight is 40 kg. If y more students having an average weight is 48 kg is added, then the average weight of the class is increased by 2. If (y + 5) students having an average weight of 44 kg is added then the average weight of the class is increased by 1.6. Find the value of 2 (x + y)?
1
28
2
10
3
24
4
20
5
16