SOLUTION: On Saturday morning, Mr. Brown often goes to the Public Market for fresh produce. He spent 1/4 of his money on vegetables, 1/2 of the remaining money on fruit, and 1/3 of the remai

Question 935407: On Saturday morning, Mr. Brown often goes to the Public Market for fresh produce. He spent 1/4 of his money on vegetables, 1/2 of the remaining money on fruit, and 1/3 of the remaining money on cheese. Mr. Brown had $12 when he finished. Work backwards to find how much money he had when he started
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = original amount
y = amount spent on vegetables
z = amount spent on fruit
u = amount spent on cheese
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y = x/4
z = (x - y)/2
u = (x - y - z)/3
x - y - z - u = 12
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put the system of linear equations into standard form
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x - 4y = 0
x - y - 2z = 0
x - y - z - 3u = 0
x - y - z - u = 12
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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 = original amount = 48
y = amount spent on vegetables = 12
z = amount spent on fruit = 18
u = amount spent on cheese = 6
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