There are 77 students in the student council. The ratio of girls to boys is 7:4. How many girls are in the student council? I know the answer is 49 girls however what is the ratio of girls to students? 49:77 seems logical but wouldn't the 49 be part of the 77 already?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Which of the following is an equation of a line parallel to the equation y=4x+1?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?