<PRE><B>Question 150721</B>
A 100 KILOGRAM MIXTURE OF 0.69 KG. OF PINTO BEANS AND 0.89 KG. KIDNEY BEANS IS VALUED AT 81.00. HOW MANY KILOGRAMS OF EACH DOES IT CONTAIN?.
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Quantity equation : p + k = 100
Value equation: 0.69p + 0.89k = 81
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solve by any method to get:
p = 40 and k = 60 
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Cheers,
Stan H.</PRE>