Of the 49 students in a math class, 30 have graphing calculators. 23 of those with graphing calculators were girls, and 7 of those without graphing calculators were girls. How many boys in the class did not have graphing calculators?

Question

gabbyalicorn · Answer

first, do you know what the operation is?

anonymous · Answer

Um no?

anonymous · Answer

12 boys don't have calculators

shaik0124 · Answer

out of 30 graphing calculators 23 of this calculators  were girls so remaining is 30-23 =7 boys have graphing calculators

shaik0124 · Answer

now we are left with 49-30 =19 students
in this 19 students 7 were girls without graphing calculators
so 19-7=12 which are not graphing calculators(boys)

shaik0124 · Answer

did u understand?