The answer is 210 children tickets were sold . if you multiply the first equation by 7 it would be 7x+7y=2590. then subtract equation 2 from 1 you will have 4x=840 so x=210. Also you can use substitution method.
What? Where’s the question 11
To me it looks like your right
Answer:
$1344.31
Step-by-step explanation:
1111*0.11*11=1344.31