Mathematics, 19.04.2021 23:38 lovelife132015
Chemist is mixing solutions. Solution A is 15% acid, and solution B is 30% acld. She mixes the two solutions to make 12 liters of a new solution that is 25% acld. How many liters of each type of solution did the chemist use to make the new solution? Solution A: liters. Solution B: liters
Answers: 1
Mathematics, 21.06.2019 17:30
Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?
Answers: 1
Mathematics, 21.06.2019 17:30
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 2
Chemist is mixing solutions. Solution A is 15% acid, and solution B is 30% acld. She mixes the two s...
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