Question

10. A chalk box is 5/6 th full of its capacity. 5 chalks were taken out by a teacher and
chalks were put inside it by a student. If it is 4/5th full now, how many chalks the box
contained when it was full?
(b) 80
(c) 72
(d) can't be determined
(a) 90​

Answer 1

I guess the answer is90

Answer 2

Step-by-step explanation:

the total number of chalk are 90