In a class of 38 children,19 play tennis, 21 play squash and 10 play neither sport. (1)how many children play both sports?  Choose the correct choice from the following answers
A) 11 B) 12 C) 14 D) 15 E) 19
28 play some sport   19+21-both=28   both = 12   Answer is 12
<result>B</result>
In a class of 38 children,19 play tennis, 21 play squash and 10 play neither sport. (1)how many children play both sports?