A pharmasist has a 18% alcohol solution. HOw much of this solution and how much water must be mixed together to make 10 liters of a 12% alcohol solution

Indicate the formula for the following conditions: p^c(n,r)=

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog