0.85 is equal to 6/7 because you divide six by seven....Hope this helped.
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.
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5x9= 45 remainder3 which means it 9 3/5


Solve for y

let's put our equation first

Flip the equation

Now follow the rule of 


_________________________

_________________________



add
to both sides

Divide both sides by 


would equal 
Answer:
t = 300
Step-by-step explanation:
ur welcome