Question

Everyone in Andy's class has to do a science project. Out of the 20 studets, 80% have completed their project. How many students still need to finish their projects?
Answers:
100 students
36 students
16 students
4 students

Answer 1

20 studets, 80% have completed, that means still have (1-80%) students haven't completed yet.

Answer 2

Can you explain

Answer 3

all students = 20 = 100%

Answer 4

more please

Answer 5

1-80% is 20%

Answer 6

20% of the students still haven't finished their project

Answer 7

So, can you calculate how many of them still haven't finish?

Answer 8

.2 * 20 =4

Answer 9

So you are saying 4 of the students have not finished

Answer 10

??????????????????????????????

Answer 11

Yes

Answer 12

Ok thank you so much for your help

Answer 13

My Pleasure.