SOLUTION: Doggy treats sells three kinds of dog biscuits: small, medium, large.They sell each for $1,$2,and $3 respectively. twice as many small biscuits as large were sold last week. there

Question 925382: Doggy treats sells three kinds of dog biscuits: small, medium, large.They sell each for $1,$2,and $3 respectively. twice as many small biscuits as large were sold last week. there were 1200 doggy biscuits sold all together last week.If doggy treats realized $2200 in revenues last week, how many of each biscuit type did they sell?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = small
y = medium
z = large
---
x + y + z = 1200
x + 2y + 3z = 2200
x = 2z
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put the system of linear equations into standard form
---
x + y + z = 1200
x + 2y + 3z = 2200
x - 2z = 0
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = small = 400
y = medium = 600
z = large = 200
---
Solve and graph linear equations:
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Solve systems of linear equations up to 6-equations 6-variables:
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