Tuesday

March 31, 2015

March 31, 2015

Posted by **wan** on Saturday, November 24, 2012 at 9:49am.

- math -
**Steve**, Saturday, November 24, 2012 at 11:11am24*41.1 + 16g = (24+16)*41.7

g = 42.6

- math -
**PsyDAG**, Saturday, November 24, 2012 at 11:25amMean boys = 41.1 = ∑x/n = ∑x/24

∑x = 986.4

Mean class = 41.7 = ∑y/40

∑y = 1,668

Mean girls = (1668-986.4)/16 = ?

**Answer this Question**

**Related Questions**

Maths - There are 50 students in a class of which 40 are boys and the rest are ...

math - In a certain class there are 12 boys and 18 girls. If the class average ...

Math - Mrs.Smith's class has 12 girls and 8 boys. What percent of he class are ...

Maths - There are 40 pupils in a class. There are 10 more boys than girls. When ...

math - In a class of 80 seniors, there are 3 boys for every 5 girls. In the ...

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

math - I already know the answer... it's 14. However, I do not know how to get ...

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

math - The average height of a class of students is 134.7cm. The sum of all the ...

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