105/5*20+5

To solve the expression 105/5*20+5, we need to follow the order of operations (also known as PEMDAS or BIDMAS).

Step 1: Divide 105 by 5.
105 ÷ 5 = 21

Step 2: Multiply the result from step 1 by 20.
21 * 20 = 420

Step 3: Add 5 to the result from step 2.
420 + 5 = 425

Therefore, the solution to the expression 105/5*20+5 is 425.