176 words
we require 2.75 minutes in seconds
using 1 minute = 60 seconds then
2.75 = 2.75 × 60 = 165 seconds
Using proportion to solve
divide 32 by 30 to obtain words per second then multiply by 165 to obtain number of words typed in 2.75 minutes.
number of words = 32 × [tex]\frac{165}{30}[/tex] = 176
