can you help me please

bisakah anda menolong saya

1. 4+1+3 = 8
72:8=9
kotak A = 4 x 9 =36
kotak B = 1 x 9 = 9
kotak C = 3 x 9 = 27

2. 5-3 = 2
10:2=5
a. usia Andi = 3 x 5 = 15
usia Budi = 5 x 5 = 25
usia CAca = 6 x 5 = 30
b. 15+25+30=70

3 10% x 600 = 60 0rg
perbandingannya 60/600 = 1/10