A person applying for the position of college registrar submitted a report to the college president on 90 students but was not hired, why?.

Question

A person applying for the position of college registrar submitted the following report to the college president on 90 students: 31 take math, 28 take chemistry, 42 take psychology, 9 take math and chemistry, 10 take chemistry and psychology, 4 take all three subjects, and 20 take none of these courses. The applicant was not hired. Explain why with detail.

Answer 1

If yu just add up the 31 in math+28 in kemistree+42 in sik...thats 101 theer

101>90, so yu hav sumthun rong

without even kount the xtra hu take several koerses