The correct answer is a , i hope this helps out
Convert the mixed number 2 1/4 into an improper fraction: 9/4.
Then multiply this 9/4 by 3: 27/4, or 6 3/4.
the third option
because 1/3 is not equal to three
where as if we replace the x with one in all the other we would find that the equation is correct.
If ice tea is lets say y (ice tea = y) and water is x (water = x) then the answer is
1.25x + 1.49y = 100
the error is that she forgot the second variable(y).
Yes. 60 remain 1 or 60.125 .