What is the answer: 25 + (6-1) + (25-10) - 5 x 4
The order of operations is: Brackets, Multiply and Divide, then Add and Subtract
1) Brackets
25 + (5) + (15) - 5 x 4
or,
25 + 5 + 15 - 5 x 4
2) Multiply (no division involved)
25 + 5 + 15 - 20
3) Add and Subtract
30 + 15 - 20
45 - 20
25
Answer: 25