Question 939224
x = ml of pure water
y = ml of 70% ingredient/water = ml of 30% water/ingredient
z = ml of 10% ingredient/water = ml of 90% water/ingredient
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y = 700
1x + 0.30y = 0.90z
z = x + y
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put the system of linear equations into standard form
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y = 700
1x + 0.30y - 0.90z = 0
x + y - z = 0
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answer:
x = ml of pure water = 4200
y = 700
z = 4900
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