Question

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?
340
120
70
220

Answer 1

120

Answer 2

if u mean that's the only thing they do
if we include download music only, and download music and purchase CD's then 340