DB45
M= merah b = biru h = hjau m : b = 3 : 4 maka misalkan m = 3x , b = 4x . m + h = 27 2b+h = 37 ---------------(-) m - 2b = -10 (3x) - 2(4x) = - 10 3x-8x = -10 - 5x = - 10 x = 2 m = 3x = 3(2) = 6 b = 4(x)= 4(2) = 8 m +h = 27 --> h = 27 - m h = 27-6 h = 21 Banyak merah, biru dan hijau = 6, 8, 21
b = biru
h = hjau
m : b = 3 : 4 maka misalkan m = 3x , b = 4x
.
m + h = 27
2b+h = 37
---------------(-)
m - 2b = -10
(3x) - 2(4x) = - 10
3x-8x = -10
- 5x = - 10
x = 2
m = 3x = 3(2) = 6
b = 4(x)= 4(2) = 8
m +h = 27 --> h = 27 - m
h = 27-6
h = 21
Banyak merah, biru dan hijau = 6, 8, 21