The ratio of the number of girls to the number of boys at a school event was 9:8. After some time, 25 of the girls left and the ratio became 1:2. How many total students were originally at the event?

Use log2 3 = 1.5850 and log2 2 = 1 to approximate the value of the expression log2 2,304

A student's course grade is based on one midterm that counts as 20 % of his final grade, one class project that counts as 5 % of his final grade, a set of homework assignments that counts as 35 % of his final grade, and a final exam that counts as

The new McDonald's in Moscow serves 11,208 customers during a 24 hour period. What is the average number of customers served per hour?

What's 4 divided by 8.73

The chess club has 18 students. How many different teams of 4 can be formed for competition?

What type of polynomial is - 2x + x2 - 3

What is a reasonable estimate for the problem - 3/2 times - 51/4

5/8 of a number is 40. What is the number?

Triangle XYZ has vertices X (6, - 2.3), Y (7.5, 5), and Z (8, 4). When translated, X' has coordinates (2.8, - 1.3). Write a rule to describe this transformation. Then find the Coordinates of Y' and Z'.

Tomas wants to buy a new baseball bat. The one he likes costs $130, but it's one sale for $104. What is the percent of the discount Tomas will get if he buys the bat?