There are 15 fewer than three times as many marching band members as there are color guard members. there are 105 members of the marching band. how many members are in the color guard? a. 7 b. 30 c. 40 d. 60

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

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

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce