Achess player played 56 games total. if he won 20 games, what is the ratio of games he lost to games he won?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read