Answer:
36h+81m
Step-by-step explanation:
9*4h+9*9m=36h+81m
We are given with two equations to find the values of two variables, hence the problem can be solved.
Adding the two equations:
x + y = 12<u>x - y = 10
</u>2x = 22
<u />x =11
y = 1
I have done the segment 1 pratice exam








On simplifying, we get

<h2>Therefore, correct option is 1st option.</h2>