Answer:
This is your answer If I'm right so.
Please mark me as brainliest. thanks!!
Answer:80%
Step-by-step explanation:
18/90 × 100%
=20%
he got 20% of the questions wrong
100% - 20% =80%
=>he got 80% of the questions correct
I hope this helps you
d/t=r
d=r.t
Answer:

Step-by-step explanation:

is 12.5 ok I think ,......................,,,,,,