I think its C , 15% but im not sure
You would first do 2 multiplied by 2x and that would give you 4x, then you would do 2 multiplied by 3y which would give you 6y, you would put 4x under 2x and put 6y under 3y and bring down your addition symbol
A
Because A dictates the actual equation correctly
It takes 35 mins for 6 people to paint 7 walls if you would like this answer described to you let me know please