7-3=4 9-2=7 4x7=28 Use PEMDAS for order of operations, it will save your life Parenthesis Exponents Multiply Divide Add Subtract Multiply and Divide and Add and Subtract can be switched around with each other, but multiply and divide always happens before add and subtract. The reason you add first here is because it is in the parenthesis.
Answer is that Mr mole goes 3 each minute for each minute add on those 3 as you add on those 3 write it down counting how many then you know the time and the meters hes been digging
