Thursday

November 27, 2014

November 27, 2014

Posted by **Im** on Tuesday, August 21, 2012 at 11:41pm.

- math -
**Steve**, Wednesday, August 22, 2012 at 12:13pmb+g = 40

4/5 b + 2/3 g = 40-n

2/3 b + 2/3 g = 2/3 * 40

4/5 b + 2/3 g = 40-n

(4/5 - 2/3)b = 40-n - 2/3*40

2/15 b = 40/3 - n

b = 5(40-3n)/2 = 100 - 15n/2

Check: suppose n = 10

b = 25

g = 15

boys who wear: 20

girls who wear: 10

- math -
**Anonymous**, Wednesday, August 22, 2012 at 11:13pmThank you, Steve.

- math -
**Anonynmous**, Friday, July 11, 2014 at 4:05amI dun understand

**Answer this Question**

**Related Questions**

Maths - There are 36 pupils in a class. Each girl is given 8 books and each boy ...

maths - in a class there are 50 students,15 girls wear glasses 8 do not wear ...

Math - A class is made up of 10 boys and 2 girls. Half of the boys wear glasses...

math - There are 27 students in Mrs. Reeds class. The number of boys and number...

math - There are 24 students in Mr.Hills class. The number of boys and number of...

math - In a certain high school class, consisting of 60 girls and 40 boys, it is...

math - there were 490 altogether in 2 groups. group A consited of only boys and ...

Maths - 1)There 40 pupils in a class. There is chart so i counted the number of ...

Statistics - In an elementary school, 25% of children wear glasses. Suppose that...

Statistics - In an elementary school, 25% of children wear glasses. Suppose that...