If @ means "first × second + first", and # means "first + second × second", then what is 4 @ 3 # 2?
Show answer & explanation
Correct answer: D
Explanation
@ means: first × second + first
# means: first + second × second
4 @ 3 # 2
4 @ 3
= 4 × 3 + 4
= 12 + 4
= 16
16 # 2
= 16 + 2 × 2
= 16 + 4
= 20