Question 630506
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Hi,
A rice dealer mixes two brands of rice, onthe sells for 500.00 a sack and 520.00 a sack {{{highlight(x)}}}
to make a mixture of 100 sacks which will be sold at 515.00 a sack.
        rice = rice
 520x + 500(100-x) = 515·100 
How many sacks of rice of each kind are needed   
Solve for x  and also determine {{{100-x}}}