80% is the same as 4/5, so 4/5 of the class= 20. That means that if there was a picture, 4 parts would be shaded, and 1 would not. 1/4 of 20 is 5, so 1 part= 5 people. 5 x 5 = 25. 25 is the answer. :)
Last one i think
x=0 or x=6
Option A
Must click thanks and mark brainliest
Sorry if i am wrong
Step-by-step explanation:
Please I can't get the question well.Can you please write the words fully?
Thanks for understanding