A math teacher gave her class two tests. 70% of the class passed both tests and 80% of the class passed the first test. What percent of those who passed the first test also passed the second test?

70%

75.5%

87.5%

None of the choices are correct.

Question

Kody Griffith

Mathematics

15 September, 03:39

A math teacher gave her class two tests. 70% of the class passed both tests and 80% of the class passed the first test. What percent of those who passed the first test also passed the second test?

70%

75.5%

87.5%

None of the choices are correct.

+1

Answers (1)

Know the Answer?

Dallas Rice · Answer 1

You have to find 70% of 80 First to figure out the Percentage.

70 = 80*x / 100, 7000/80 = x, x = 700/8 = 87.5%. Therefore, your answer would be 87.5%.

A math teacher gave her class two tests. 70% of the class passed both tests and 80% of the class passed the first test. What percent of those who passed the first test also passed the second test?70%75.5%87.5%None of the choices are correct.

A math teacher gave her class two tests. 70% of the class passed both tests and 80% of the class passed the first test. What percent of those who passed the first test also passed the second test?

70%

75.5%

87.5%

None of the choices are correct.