The digit that 3, 71 _ divisible by 9 is 4 and 7
8 months; $740
75x+140=90x+20
Find x then plug it in to find the cost
Step-by-step explanation:
I think c is right answer
Answer:
x = 48 and y = 104
Step-by-step explanation:
Given equations are:

From equation 1:

Putting the value of y in equation 2

Now we have to put the value of y in one of the equation to find the value of x
Putting y = 104 in the first equation

Hence,
The solution of the system of equations is x = 48 and y = 104
The value of variable which was assumed for number of hats, is the total number of hats.