Answer:
1) Find the value of two numbers if their sum is 12 and their difference is 4. X+y=12 (4+4) + 4 = 12 x-1=4 - 24+4=12. X = 4th. 24 = 8 x=8. 8 and 4 ). 2) The difference of two ... 4) The school that Stefan goes to is selling tickets to a choral performance. ... the school sold 3 senior citizen tickets and 1 child ticket for a total of $38.
Explanation: