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sepeda Motor = S
Mobil = m
2S + 4m = 210 -----> 2S +4M = 210
S + M = 75 (x2)---> 2S +2M = 150 -
2m =60
m(mobil) = 30
S= 75-30
S = 75 -m
S = 45
Pendapatan :
Mobil = 5.000 x 30 = 150.000
Motor = 2.000 x 45 = 90.000
jumlah = 240.000