Here are the steps on how I did it.
Answer:
c. 50
Step-by-step explanation:
Here is your answer
B. (12,30)
REASON:
Given,
.......(i)
.......(ii)
Putting the value of y from eq.i in eq.ii we get




Putting x=12 in eq.i we get



So,

Hence answer is (12,30) in which x=12 and y=30
HOPE IT IS USEFUL
2 is a,c,d
3, none of the options are correct.
4 could be 3v + 5m
5 can be 11(2x+y)
24th is the answer, you just double the 12 because it’s both a number 3 and 4 go into