Chap 4: Algebra Puzzle 3x4

Bug-b
Gift-g
Papaya-p





2g+2b = 102
1g+1b = 51
2b+1g+1p = 93
1b+1p = 93 - 51 = 42
1b+3p = 82
2p = 82 - 42 = 40
p = 20
b = 82 - 20 - 20 - 20 = 22
2b+2g = 102
2g = 102 - 22 - 22 = 58
g = 29

So, b=22, g=29 and p= 20.