Professor b reported to his class that 402 people had checked the theater box, 491 had checked the dvd box, 274 had checked both boxes, and 103 of the forms were blank.

a. how many people watched a movie in a theater or on a dvd during the past month?
b. how many people watched a movie in a theater only?
how many people watched a movie on a dvd only?

a) 619

b) 128

c) 217

Step-by-step explanation:

Look at the picture.

The easiest way will be show it on Venn diagrams.

a)

402 - 274 = 128

491 - 274 = 217

128 + 217 + 274 = 619

b)

402 - 274 = 128

c)

491 - 274 = 217

i dont know

step-by-step explanation:

yess

step-by-step explanation:

idk whyy this is happening, i cant even read my notification bc i keep getting errors

~coco