The ratio of the number of cars to the number of motorcycles in the parking lot is 10 to 3. The ratio of the number of motorcyclist to the number of bands is 2 to 5. There are 30 vans in the parking lot. How many more cars than vans are there?

On the blueprint of a house, 36 millimeters represents 7 meters. The length of the living room is 27 millimeters on the blueprint. What is the actual length of the living room?

What value of n makes this equation true? 40 + 10 = n + 12

How do you tell the difference between a inclusive data set probability and a exclusive data set probability?

Seven people went to the movies. The number of adults was one more than the number of children. How many adults and children went to the movies?

What property is (5*7) * 4=5 * (7*4)

5. Andre is solving the equation 4 (x + 3) = 7. He says, "I can subtract from each side to get 4x = 1 and then divide by 4 to get x = " Kiran says, "I think you made a mistake." a. How can Kiran know for sure that Andre's solution is incorrect? b.

On three examinations, Dana received scores of 84, 89, and 78. What score does Dana need on the fourth examination to raise his average to 85?

You have a Spanish meeting every forth day and a math club meeting every tenth day. Today you have both meetings. In how many days will you have both meetings on the same day again?

5.2 turned into a fraction in simplest form.

A certain laptop is really popular and sells for $199.99. Since sales are so good, the store raises the price by 13%. What is the cost of the laptop after the markup?