dgn jalannyya ya kaka. bagi yg jago matematika

x = biru
y = merah
z = kuning

x : y = 3 : 4
4x = 3y
x = ¾y
y = 4x/3

x : z = 4 : 5
5x = 4z
x = 4z/5
¾y = 4z/5
y = 4z/5 × 4/3 = 16z/15
x + y + z = 430

menurutku g ada jawwban e