The ratio of boys to girls at the movie is 4:7. If there are 21 girls l, how many boys are at the movie?

While preparing for a party luis blew up a total of 91 balloons it took him 7 minutes write an equation to express how many balloons he blew up each minute

Suppose Y varies directly with X, and Y = 15 and X = 5. Write a direct variation equation that relates X and Y. What is the value of Y when X = 9?

A math teacher gave her class two tests. 76% of the class passed the first test. 58% of the class passed both tests. What is the approximate probability that a student who passed the second test, given that he passed the first test.

What would your salary each year be if you earned $5,000 per week? What would your salary each year be if you earned $1,000 per week?

Write a sentence describing a situation that could be represented by the equation 4 : 1/3 = ?

Xy + 11x + 3y + 33 factor by grouping

Is 14/50 closer to 9/11 or 10/11

In a round-robin tournament with n teams, the number of games that must be played is (n^2-n) / 2. How many teams are in a round-robin tournament in which 55 games are played?

A block of wood is 7 inches long, 2 inches wide, and 3 inches high. What is the volume of this block of wood? 14 in3 42 in3 49 in3 147 in3

At Christmas a tv is on sale for 40% Off and is now priced at $876 find the original price the tv.