Twenty of the students in Hannah's class or 80% of the class, voted to have pizza for lunch every Wednesday. how many students are in Hannah's class

25

Step-by-step explanation:

If 20 students make up 80% of the class

Then 100% ( all of the students in the class ) will give 100 * 20 / 80

= 2000/80

= 25

Therefore, there are 25 students in Hannah's class

its adding 5.5 each time

step-by-step explanation:

ranks (& how to earn them):

-beginner (needs at least 0 points & 0 brainliest answers)

- hand (needs at least 100 points & 0 brainliest answers)

-ambitious   (needs at least 250 points & 0 brainliest answers)

-virtuoso (needs at least 500 points & 5 brainliest answers)

-expert   (needs at least 1,000 points & 10 brainliest answers)

-ace (needs at least 3,000 points & 15 brainliest answers)

-genius   (needs at least 15,000 points & 50 brainliest answers)

how to award brainliest:

you must wait until 2 people answer to award brainliest. i'm pretty sure that it should be next to the "" and "comments" buttons.