Mathematics, 23.10.2021 16:40 kdog1738

A lab technician has 40 gallons of a 15% iodine solution. How many gallons of a 40% iodine solution must he add to make a 20% iodine solution?

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A lab technician has 40 gallons of a 15% iodine solution. How many gallons of a 40% iodine solutio...

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A lab technician has 40 gallons of a 15% iodine solution. How many gallons of a 40% iodine solution must he add to make a 20% iodine solution? Please show work!!

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Another question on Mathematics

A lab technician has 40 gallons of a 15% iodine solution. How many gallons of a 40% iodine solution must he add to make a 20% iodine solution?

Please show work!!