9. For a class picnic, two teachers went to the same store to purchase drinks. One teacher purchased 9 juice boxes and 16 bottles of water and spent
$14.25. The other teacher purchased 3 juice boxes and 9 bottles of water and
spent $7.50. (6 points)
Write a system of equations to represent the scenarios mentioned above.
Let x = the cost of a juice box
Equation:
I
Equation:
Let y = the cost of a water
Kara said that the juice boxes might have cost $0.31 each and that the bottles
of water might have cost $0.73 cents each. Use your system of equations to
justify that Kara's prices are not possible. Check the point in the system.