One day Mahli and Massyah were spamming the chat at the end of math class. Mahli was typing her favorite emoji and typed 240 emoji in 2 minutes. Massyah kept typing "BBYYYEEEE" and he typed 450 chracters in 3 minutes. Who typed more characters per second?
*Note: There are 60 seconds in 1 minute*
Write answer in a complete sentence
(Sentence starter: The person who typed more character per second was ... I know this because ...