The ratio of boys is to girls is 2:3 and there are 30 girls how many boys are there?
2/3 * 30 = ?
2/3=30/n
Solve for n by doing cross multiply
To find the number of boys, we need to use the given ratio and the number of girls.
Given:
Ratio of boys to girls is 2:3
Number of girls is 30
The ratio tells us that for every 2 boys, there are 3 girls.
To find the number of boys, we can set up a proportion using the ratio:
boys / girls = ratio of boys to girls
Let's substitute the values we know into this proportion:
boys / 30 = 2 / 3
To solve for the value of "boys," we can cross-multiply:
3 * boys = 2 * 30
3 * boys = 60
Now, divide both sides of the equation by 3 to isolate "boys":
boys = 60 / 3 = 20
Therefore, there are 20 boys.