Question

in a group of 150 students, 70 took marekting , 80 took finance while 30 took none of them. How many took both marketing and finance?​

Answer 1

Answer:

30

Step-by-step explanation:

Say x students took both

So 150 = x + 30 + 70-x + 80-x

or, x = 30

Answer 2

Answer:

70+80=150

150-30=120

30 took both