Answer: 3 : 1
Step-by-step explanation:
We know that the ratio of A to B is given by :-
or A : B .
Given : Number of students having brown hair = 15
Number of students having black hair = 5
Then , the ratio of students with brown hair to students with black hair will be :-
Hence, the ratio of students with brown hair to students with black hair = 3 : 1.
Answer:
4m=4+m
4m-m=4
3m=4
m=3/4
hope this helps:)))
x y
-2 = 5
0 = 2
2 = -1
4 = -4
LHS :-