Luas kebun pak umar dan luas kebun pak indra adalah 72 m2 jika perbandingan luas kebun pak umar dan luas kebunpak indra 7 : 5 , berapakah luas kebun pak umar
nidawahyuerina
U + I = 72 U : I = 7 : 5 7x + 5x = 72 12x = 72 x = 72/12 = 6 U = 7x = 7 X 6 = 42.
U : I = 7 : 5
7x + 5x = 72
12x = 72
x = 72/12 = 6
U = 7x = 7 X 6 = 42.