In the first two hours of the trip, julissa drove 120 miles. in the nest hour, she traveled only 48 miles. what was julissa's average speed in miles per hour (mph) for the 3 hour drive?

Let r = 3. what is the value of r + 58?

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?