Traditional Culture Encyclopedia - Photography and portraiture - As the picture shows, the sixth-grade students in a school choose four interest groups: photography, singing, calligraphy and cross-stitch. The following statement is true ()

As the picture shows, the sixth-grade students in a school choose four interest groups: photography, singing, calligraphy and cross-stitch. The following statement is true ()

a、90÷360- 15%= 10%，，

So this question is wrong;

B, photography accounts for 15% of sixth-grade students, that is, 320,

Therefore, the statement of this question is wrong;

C cross stitch group:1-15%-20%-90 ÷ 360 = 40%,

The sum of the participants in the photography group and the calligraphy group: 15%+20%=35%,

35%