80words=1min so you would multiply 80 by 20 which is 1,600 words for 20 minutes
Total people in the cafeteria = 7 + 48 + 45 = 100
There are 45 boys.
The probability would be the number of boys over the total number of people:
45/100, which simplifies to 9/20
Answer:
C is the answer, as wind turbines are more expensive
