SOLUTION: A baker sells cookies for $0.65 each and small pies for $1.35 each. She has sold three times as many cookies as she has pies at the end of the day she sold $39.60 worth of cookies
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Question 928262: A baker sells cookies for $0.65 each and small pies for $1.35 each. She has sold three times as many cookies as she has pies at the end of the day she sold $39.60 worth of cookies and small pies. How many small pies did she sell this day?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = number of cookies
y = number of pies
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0.65x + 1.35y = 39.60
x = 3y
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put the system of linear equations into standard form
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0.65x + 1.35y = 39.60
x - 3y = 0
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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 = number of cookies = 36
y = number of pies = 12
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Solve and graph linear equations:
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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