Delson

This page lists questions and answers that were posted by visitors named Delson.

Questions

The following questions were asked by visitors named Delson.

In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to...
9 years ago

Answers

The following answers were posted by visitors named Delson.