Mathematics, 12.08.2021 05:20, ptrlvn01
A biologist wishes to have 15 gallons of an 80%
formaldehyde solution. In her inventory, she has
pure formaldehyde and some 50% formaldehyde
solution. How many gallons of each should she mix
to obtain the desired solution?
Answers: 2
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A biologist wishes to have 15 gallons of an 80%
formaldehyde solution. In her inventory, she has
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