Math
posted by Jerald .
29.There are 16 boys and 12 girls in Kelly's class.Her teacher wrote the name of each student on a card and placed the cards in a box without looking the teacher chose a card from the box.What is the probability that Kelly's teacher will pick a card with a boy's name?
A.3/7
B.4/7
C.3/4
D.4/3
D

what is numberboys/totalstudents ?

4/7
Respond to this Question
Similar Questions

math
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. 
Math
1.)When testing a patientâ€™s eyes for focusing ability, one doctor uses these three cards. Card 1 is placed 3.0 m from the patient. The other two cards are placed so that the letter E on them will appear to be the same size to the … 
Math
A teacher is trying to pick 7 students to represent his class at an upcoming state competition. If there are 18 boys and 10 girls in the class, in how many ways can the teacher pick 4 boys and 3 girls to attend the event? 
Math
Marla has 3 secret code cards. The first shows a 37. The second card has the first box blanked out and the second box is a 2. The two code cards together equal the third card which is 59. Why is the missing number? 
math
Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a 2. The two code cards together equal the third card,which is 59. What is the missing number? 
Math
Im trying to help my daughter with some math homework and Im stuck can you help me please this is the problem Jeremy has been home sick with the flu for the last 7 days. While absent from school, he got 31 get well cards from friends. … 
Alegebra
A box contains 10 cards numbered 1 through 10. Which events are mutually exclusive? 
Statistics
. Two cards are drawn at random, without replacement, from a standard 52card deck. Find the probability that: (a) both cards are the same color (b) the first card is a face card and the second card is black 
Math Question from Teacher Exam
Another crazy question on the exam. A teacher gives each child a picture card of an animal with a number. She tells the student to make the animal sound the number of times that matches the number on the card. What type of reasoning … 
probability
a teacher holds 40 class cards of 14 girls and 26 boys. shes huffles the cards and drawn one. a. what is the probability that the card drawn is a girl's card?