Question

20 POINTS!!!!!!!!

The following table shows the number of students in a class who participate in art and sports:



Participate in Art


Do Not Participate in Art


Total

Participate in Sports

40

?

70

Do Not Participate in Sports

10

5

15

Total

50

35

85



What is the missing number in the table?

Answer 1

Answer: This is late but I think the answer is 30

40+30=70

explanation: Hope this helps

Answer 2

You are asked to find the missing value in

... 40 + ? = 70

given that it is also the solution to

... ? + 5 = 35

Either way, you subtract the constant that is on the same side of the equation as the unknown.

... 40 + ? - 40 = 70 - 40

... ? = 30 . . . . the missing value

_____

You can check to see if this also satisfies the equation

... 30 + 5 = 35 . . . . . . . true