Answer:
3 students with red hair
12 students with brown hair
Step-by-step explanation:
1/6 times 18 = 18/6 = 3 students with red hair
4/6 times 18 = (18 times 4)/6= 12 students with brown hair
Answer: x= 1/4 + 1/2y
Step-by-step explanation:
y-4x + y= -1
2y - 4x= -1
-4x= -1 - 2y
x= 1/4 + 1/2y