Anna bought 10 oranges
Explanation:
Let x denote the number of apples.
Let y denote the number of oranges.
The system of equations can be written as
and
Let us solve the equation by substitution method.
Thus, from , the value of y can be determined such that
Using the y value in the equation
, we get,
Multiplying 3 within the bracket,
Adding the terms,
Subtracting both sides by 75, we have,
Thus, substituting in
, we get,
Thus, Anna get 10 Oranges.