in a class of 120 students , 25 did not opt for math . 10 did not opt for science and 2 did not opt for either . how many students of the class opted for both math and science ?
"120 students total 25 did not opt for math 10 did not opt for science 2 did not opt for either total of 95 students in math and 8 did not opt for sci but did for math 95 - 8 = 87 87 students of the class opted for both math and science answer : d . 87"
subtract(subtract(120, 25), subtract(subtract(120, 10), 2))