Answer :
Answer:
11
Step-by-step explanation:
30 - 2(7+2) -1
PEMDAS
Parentheses first
30 - 2(9) -1
Then multiply and divide
30 - 18 -1
Then add and subtract
12-1
11
Answer:
11
Step-by-step explanation:
30 - 2(7+2) -1
PEMDAS
Parentheses first
30 - 2(9) -1
Then multiply and divide
30 - 18 -1
Then add and subtract
12-1
11