Mathematics, 07.01.2020 08:31 hazeleyes2006
Chris needs to make a 500 l of a 35% acidic solution. he has only two of the acidic solutions available, a 25% solution and a 50% solution. how many litres of each acidic solution should he mix? create a system to solve?
Answers: 1
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Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?
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Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?
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Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same
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Chris needs to make a 500 l of a 35% acidic solution. he has only two of the acidic solutions availa...
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