Posted by **pat** on Thursday, January 27, 2011 at 12:27am.

Mr. davison has 30 students in his class . He has four more girls than boys. How many boys are in Mr. Davision class? can you please check my answer? I got 11 boys . does it sound about right ?

- 5th math -
**helper**, Thursday, January 27, 2011 at 12:30am
x = number of boys

x + 4 = number of girls

x + x + 4 = 30

2x + 4 = 30

2x = 26

x = 13

x = number of boys = 13

x + 4 = number of girls = 13 + 4 = 17

13 boys + 17 girls = 30

- 5th math -
**go suc dick**, Monday, October 8, 2012 at 7:25pm
x = number of boys

x + 4 = number of girls

x + x + 4 = 30

2x + 4 = 30

2x = 26

x = 13

x = number of boys = 13

x + 4 = number of girls = 13 + 4 = 17

13 boys + 17 girls = 30

## Answer This Question

## Related Questions

- math - 8) A high school graduating class is made up of 445 students. There are ...
- Maths - There are 40 pupils in a class. There are 10 more boys than girls. When ...
- Math -fractions word problems - Three sevenths of the students in class 4C are ...
- Math - In a middle school 5th grade class there are 5 girls for every 4 boys. ...
- Math 1350 - Mrs. Smith's classroom can hold at the most 30 students. Her first ...
- math - There are 27 students in Mrs. Reeds class. The number of boys and number...
- Math - Mrs.Smith's class has 12 girls and 8 boys. What percent of he class are ...
- math - There are 24 students in Mr.Hills class. The number of boys and number of...
- Mathematics - There are 5 girls more than boys in a class. if 2 boys joined the ...
- math - In a class of 80 seniors, there are 3 boys for every 5 girls. In the ...

More Related Questions