SOLUTION: On monday Harold picked up 6 donuts and 4 large coffee for the office staff, He paid $6.90. On tuesday Melina picked up 3 donuts and 6 large coffees for the office staff. She pai
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Question 925694: On monday Harold picked up 6 donuts and 4 large coffee for the office staff, He paid $6.90. On tuesday Melina picked up 3 donuts and 6 large coffees for the office staff. She paid $6.69. What is the cost of the one donut? What is the cost of one large coffee? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! x = cost of doughnut
y = cost of coffee
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6x + 4y = 6.90
3x + 6y = 6.69
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put the system of linear equations into standard form
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6x + 4y = 6.90
3x + 6y = 6.69
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = cost of doughnut = 0.61
y = cost of coffee = 0.81
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Solve systems of linear equations up to 6-equations 6-variables:
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