# Math

posted by .

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 use # girsl instead of # boys OR 100 - percent boys = percent girls.

how

## Similar Questions

1. ### Math

Mrs.Smith's class has 12 girl and 8 boys. What percent of he class are girls?
2. ### problem solving

A play is being put on at the school. There are 9 possible roles for girls who are trying out and 10 roles for boys who are trying out. If 16 girls and 12 boys try out, and everyone acts perfectly the same as one another, what percent …
3. ### Math

If the ratio of girls to boys on the swim team is 2:3, which of these shows the possible number of girls to boys: A. 20 girls, 35 boys B. 24 girls, 36 boys
4. ### Math

At a summer camp there are 60 girls and 30 boys. Twenty percent of girls and 40% of boys passed the swimming test. What percent of the campers passed. Please show working.
5. ### Maths

There are 40 pupils in a class. There are 10 more boys than girls. When some boys from another class join the class, the percentage of boys to girls becomes 70%. How many boys joined the class?
6. ### math

There are 27 students in Mrs. Reeds class. The number of boys and number of girls are both composite numbers. There are 3 more girls than boys. How many girls and how many boys are in the class?
7. ### Math 1350

Mrs. Smith's classroom can hold at the most 30 students. Her first period class had 4 boys for every 3 girls. When 3 boys and 1 girl were added to the class, the new ratio became 3 boys to 2 girls. How many total students are now in …
8. ### Math

Which table correctly fills in the ratio table below?
9. ### math

Mr brown gives his class a test. The 10 girls in the class get a mean mark of 70 percent. The 15 boys in the class get a mean mark of 80 percent. Nick says that because the mean of 70 and 80 is 75 then the mean mark for the whole class …