You need a 25% alcohol solution. On hand, you have a 180 mL of a 20% alcohol mixture. You also have 45% alcohol mixture. How much of the 45% mixture will you need to add to obtain the desired solution?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

What is the sum of these mixed numbers 4 2/3+ 3 1/9

More than 450450 students traveled to a state park for a field trip. the school allowed 66 students to travel by car, and the rest traveled on 1111 buses, each of which held the same number of students. if there were ss students in each bus, which inequality best represents this situation?