The answer for this one will be b
Answer:
Step-by-step explanation:
Normally I'd say the 75%, but we don't know the original prices. So, I'd say D
Answer:
11/132 = 1/12
Step-by-step explanation:
just put the rise over the run and simplify
Answer:
I have solved it in elimination method if you need it in another method let me know.
Step-by-step explanation:
3x+y=21
-x-y=5
2x=26
x=13
-3×13-3y=15
y= -18
