Answer:
I think it is D
Step-by-step explanation:
B
12 and 36
x+3x=48
4x=48
divide by 4
x=12
48-12=36
I think it is b
I hope this is correct
133 - x = 180
x= 47
142 - y = 180
y = 38
x + y = n
47 + 38 = 85
