For this specific problem, this would be the solution:
= 0.7(133) + 0.8(133) - 2(0.4[133])
= 93 +
106 - 2(53)
= 199 -
106
= 93
This means 93 students passed in both the subjects. I am hoping that
this answer has satisfied your query about and it will be able to help you.
