evaluate : 30 - 12 ÷ 3 × 2 = ?
"according to order of operations , 12 ÷ 3 × 2 ( division and multiplication ) is done first from left to right 12 ÷ 3 × 2 = 4 × 2 = 8 hence 30 - 12 ÷ 3 × 2 = 30 - 8 = 22 correct answer b ) 22"
subtract(30, multiply(multiply(12, 3), 2))