If ÷ means +, x means -, + means ÷, and - means x, then what is the value of 10 ÷ 5 - 3 x 8 + 4?
Using the given rules, we can replace each operation with its corresponding symbol:
- ÷ (division) means +
- x (subtraction) means -
- (addition) means ÷
- (multiplication) means x
So, we can rewrite the expression as:
10 + 5 x 3 - 8 ÷ 4
Next, we need to perform the operations in the correct order, following the standard rules of arithmetic. That means we need to do the multiplication and division before the addition and subtraction.
First, we need to do the multiplication:
10 + 15 - 8 ÷ 4
Then, we need to do the division:
10 + 15 - 2
Finally, we can do the addition and subtraction, working from left to right:
25 - 2
The final answer is 23.
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