A real couple doesnt play games to act cute

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

How much orange juice do you need to make 2 servings of lemony orange slush?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class