Mathematics, 09.09.2021 03:40 lisabrewer18
5. A lab technician needs 25 liters of a solution that is 15% acid for a certain experiment, but she only has a solution that is 10% acid and a solution that is 30% acid. How many liters of the 10% and the 30% solutions should she mix to get what she needs?
Answers: 2
Mathematics, 21.06.2019 18:30
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
Answers: 1
Mathematics, 21.06.2019 19:30
Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3
Answers: 2
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