Answer:
24
Explanation:
80/100 × 30=24 answers he got right
24/30 questions are right
to check we can multiply 24/30 ×100 to get 80%
80% of 30
= 30 × 0.8
= 24
So the student answered 24 out of 30 questions correctly.
4.6m questions
5.9m answers