A toll collector on a highway receives $4 for cars and $9 for buses. At the end of a 2 -hour period, she collected $188. How many cars and buses passed through the toll booth during that period? List all possible solutions.

When carla looked out at the school parking lot she notice that for every 2 minivans there were5 other types of vehicles if there are 161 in the parking lot how many of them are not minivans

How many pairs of numbers can you find that have a sum of 99

1/3 of the class have dogs, of those students, 2/5 have beagles, what fraction of the class have beagles

What is the best estimate of the circumference of a circle with a diameter of 47mm: a) 141 mm b) 139mm c) 121mm d) 100mm

0.8-4x=-0. y 6x+4.0y=4.2 Which of the following shows the system with like terms aligned? -4x - 0.4y = - 0.8 6x + 0.4y = 4.2 -4x + 0.4y = 0.8 6x + 0.4y = 4.2 -4x + 0.4y = - 0.8 6x + 0.4y = 4.2 -4x + 0.4y = - 0.8 6x - 0.4y = 4.2

Mrs. Nelson has one $10 bill and one $20 bill. She wants to buy as many movie tickets as she can with this money. If movie tickets cost $6 each, how many tickets, t can she buy

Suppose the probability of passing a driving test is 65%. (a) on a certain afternoon 15 people are tested.

The owner of a car wash combines x gallons of a 2% liquid soap and 98% water mix with y gallons of a 7% liquid soap and 93% water mix to make 500 gallons of a 5% liquid soap and 95% water mix.

Solve for y y - (-10) = -41

Marty's Barber Shop has one barber. Customers have an arrival rate of 2.2 customers per hour, and haircuts are given with a service rate of 5 per hour.