- 1in class of x students, when 2 more boys and 7 more girls are added, the ratio of boys to girls change from 2/3 to 3/5
in class of x students, when 2 more boys and 7 more girls are added, the ratio of boys to girls change from 2/3 to 3/5. what is the value of x?

- 2Each day Mr. Samms randomly chooses 2 students from his class to serve as helpers. If there are 15 boys and 10 girls in the class, what is the probability that the two students chosen will be female?
- 3In a class of 25 students made up of 14 girls and 11 boys, 5 students are needed to participate in relay competition
In a class of 25 students made up of 14 girls and 11 boys, 5 students are needed to participate in relay competition. What is the probability of *choosing* exactley 3 girls to participate in the relay competition?

- 4
a) In a class of 10 students there are 4 boys and 6 girls
a) In a class of 10 students there are 4 boys and 6 girls. If a committee of 5 is to be selected at random, what is the probability that it consists of 2 boys and 3 girls? Show work and express your answer as a fraction in lowest terms. b) What is the probability that such a committee can be selected if 2 of the boys refuse to serve together? Explain and express your answer as a fraction in lowest terms.

- 5How many of the 28 students in Andy's class are boys, if 4/7 are girls
How many of the 28 students in Andy's class are boys, if 4/7 are girls?

- 6How many of the 28 students in Andy's class are boys, if 4/7 are girls
How many of the 28 students in Andy's class are boys, if 4/7 are girls?

- 7in a class of 18 students at school there are half as many girls as boys
in a class of 18 students at school there are half as many girls as boys. How many girls are in the class? how many boys?

- 8the best way to teach problem solving like the teacher has 15 student in his class and there are 3 more girls than boys how many girls than boys are there
the best way to teach problem solving like the teacher has 15 student in his class and there are 3 more girls than boys how many girls than boys are there.

- 9there are 15 girls and 12 boys in math class. express the ratio of boys and girls in simplest...
how do you write the answer in simplest form

- 10A class contains 10 boys and 20 girls of which half of boys and half of girls have brown eyes....
A class contains 10 boys and 20 girls of which half of boys andhalf of girls have brown eyes. Need to be found thenumber of ways that aperson chosen at random is a boy or has browneyes.

- 11There are 30 kids in a class and there are 3 girls for every 2 boys how many girls are in the class
There are 30 kids in a class and there are 3 girls for every 2 boys how many girls are in the class? 6x3=18 18 girls 6x2=12 12 boys

- 12for every 1 there are 3 boys taking class. If there are 236 students how do you predict the number of boys'