anonymous
  • anonymous
Meryl needs to add enough water to 11 gallons of an 18% detergent solution to make a 12% detergent solution. Which equation can she use to find g, the number of gallons of water she should add?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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kropot72
  • kropot72
The amount of detergent is 11 * 0.18 = 1.98 gallons. When g gallons of water is added to the 11 gallons of solution, the total amount of solution will be (11 + g) gallons. If the (11 + g) gallons is to be a 12% solution, the following equation applies: 0.12(11 + g) = 1.98 which simplifies to: 1.32 + 0.12g = 1.98 giving 0.12g = (1.98 - 1.32) gal. and finally \[\large g=\frac{(1.98-1.32)}{0.12}\ gal.\]

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