Question

Easy question but need help . . .

Of 410 consumers polled, some purchase music on CDs, some only download music, and some do both. If 290 people polled purchase CDs and 220 purchase CDs and download music, how many people download music?

A) 340
B) 120
C) 70
D) 220

Answer 1

@DanJS

Answer 2

220 Both

290 - 220 = 70 just CD

410 - 220 - 70 = 120 Just download

Answer 3

That is my logic

Answer 4

You could create one of those circle diagrams i think for this,, venn diagram i think its called

Answer 5

Start with 290 total purchased CD, but 220 purchased both,
So ONLY CD = 290 - 220 = 70 people

If the total is 410 people, then the people that ONLY downloaded is
Just DL = total - Both - just CD
= 410 - 220 - 70
Just DL = 120

Answer 6

so the answer is 120 ?