cesarcastellan9
cesarcastellan9
10.04.2020 • 
Mathematics

A sparkling-water distributer wants to make up to 200 gal of sparkling water to sell for $5.00 per gallon. She wishes to mix three grades of water selling for $10.00, $1.00 and $4.50 per gallon, respectively. She must use twice as much of the $4.50 water as the $1.00 water. How many gallons of each should she use?

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