Aclass of 32 students has 12 girls. what is the ratio of girls to boys?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

Danny can read 4 pages in 12 minutes. how many pages can he read in 1 hour?