Subject :IMO Class : Class 4
Bobby baked 4 butter cookies and some chocolate cookies. If he baked 12 cookies in all, then what fraction of the cookies were chocolate cookies?
A1⁄5
B3⁄4
C1⁄2
D2⁄3
Ans 1: (Master Answer)
Class : Class 1
(D): Total number of cookies = 12
Number of butter cookies = 4
Number of chocolate cookies = 12 - 4 = 8
Fraction of chocolate cookies = 8⁄12 = 2⁄3