Answer: top left 10 top right 2 bottom left 3 bottom right 3
Step-by-step explanation:
can sing and dance 10
can sing by not dance 12 girls who sing- 10 who can also dance= 3
Can not sing or dance is 3 (bottom right box)
can not sing by can dance -18 total girls- the 12 who sing-the 3 who cant sing or dance leaves 3 who can dance but not sing
