Problem: Ms. Ashol has 20 boys and 16 girls in her mathematics class. If she chooses two students at random to work on the blackboard, what is the probability that both students chosen are girls?

What I did : I added the boys and girls 36


  1. 👍 0
  2. 👎 0
  3. 👁 210
  1. Yes 36
    first girl
    second girl
    16/36 * 15/35

  2. I’m confused why it was 15/36 for the second girl though wouldn’t it be 15/35

    1. 👍 0
    2. 👎 0
  3. Yes, I said
    first 16/36
    second 15/35

Respond to this Question

First Name

Your Response

Similar Questions

  1. maths

    In a graduating class with the same number of boys and girls, 1/8 of the girls and 5/6 of the boys are honor students. What part of the class consists of boys who are not honor students

    asked by athaulla on July 27, 2016
  2. Math

    A biology class has 12 boys and 18 girls .what fraction of the class are boys? Solution. 12/30=2/5 Please tell me this correct or not.

    asked by ABC on May 24, 2017
  3. Mathematics

    There are 5 more girls than boys in a class. If 2 boys join the class, the ratio of girls to boys will be 5:4. Find the number of girls in the class.

    asked by Clinton on June 14, 2020
  4. math

    The ratio of boys to girls in a class room was 9:8. Half of the girls left the classroom, and then there were 15 more boys than girls. A. How many children were in the classroom in the beginning B. How many girls left the

    asked by john on August 7, 2014
  5. math

    8) A high school graduating class is made up of 445 students. There are 97 more girls than boys. How many boys are in the class? A) 445 boys B) 271 boys C) 97 boys D) 174 boys

    asked by chchch on June 24, 2012
  1. Maths

    There are 50 students in a class of which 40 are boys and the rest are girls the average weight of the class is 44kg and the averageweight of the girls us 40kg. find the average wieght of the boys

    asked by priya on March 15, 2015
  2. Maths

    There are 36 pupils in a class. Each girl is given 8 books and each boy is given 3 books. The total number of books the girls receive is 46 more than the total number of books the boys receive. How many girls are there in the

    asked by Max on October 17, 2012
  3. Math

    Mrs.Smith's class has 12 girls and 8 boys. What percent of he class are girls? [#boys/girls+boys]*100 = percent I didn't read the problem very carefully. The calculation above is percent boys. Percent girls is done similarly but

    asked by hALIDA on May 3, 2007
  4. Math

    A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the

    asked by MADISON on May 1, 2013
  5. 5th grade math

    A class consist of half as many boys as girls, if there are 14 boys how many girls are there

    asked by janet on November 17, 2011
  6. Probability

    Mr.Roy needs two students to help him with a science demonstration for his class of 18 girls and 12 boys. He randomly chooses one student who comes to the front of the room. He then chooses a second student from those still

    asked by Mi on April 27, 2016

You can view more similar questions or ask a new question.