Answer: 40% and 0.4
Step-by-step explanation:
Step 1
Use the ratio of the number to the percentage to get the required answer.

Where,

Step 2
Get the required answer

The number of students that got B or a better grade on the test = 19 students rounded to a whole number.
Answer:
Step-by-step explanation:
(3p+2)(5p-1)
=3p(5p-1)+2(5p-1)
=15p^2-3p+10p-2
=15p^2+7p-2
=C