Simplify: \(1.25 \times 40 - 2.5 \times 10\)
Answer: A
Using BODMAS, perform multiplication first.
Part 1: \(1.25 \times 40 = (\frac{5}{4}) \times 40 = 5 \times 10 = 50\).
Part 2: \(2.5 \times 10 = 25\).
Now perform subtraction: \(50 - 25 = 25\).