3) 40% of the class of 30 students are boys.
How many are girls?

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

Answer this question, only if you know the answer. 30 points and brainliest!

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class