math

posted by .

In a class of 71 students, the number of females is one fewer than twice the number of males. How many females and how many males are there in the class?

• math -

Let M = number of males

M + 2M - 1 = 71

3M = 72

M = 24

Similar Questions

1. math 156

the ratio of males to females in a college class is 2:6. if there are 72 students in the class, how many are males?
2. algebra

There are 51 students in a certain class. The number of females is 5 less than 3 times the number of males. find the number of females and the number of males in the class.
3. math

If your class has 10 males and 14 females in it, how many different committees consisting of 4 males and 4 females may be chosen.
4. Math

In a class of 29 males and females there are 12 females. Write the ratio of males to females. Solve. Express each ratio as a fraction reduced to lowest terms.
5. Math

the ratio of males to females in a college class is 2:6. If there are 72 students in the class, how many are male?
6. statistics

An introductory psychology class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12 sophomore females. If one student is randomly selected from this class, what is the probability of selecting a female?
7. algebra

A math class has a total of 47 students. the number of females is 17 less than the numberof males. how many males and how many females are in class?
8. Math

Forty-five percent of a large class of students in Statistics are females. Suppose 28 students are selected at random from the class. Use a normal approximation with continuity correction to calculate the probability that the number …
9. math

A room contains 80 sophomores of which 39 are males and 41 are females. There are also 69 juniors of which 36 are males and 33 are females. You pick 3 students at random. What is the probability that all 3 are males?
10. algebra

A Spanish class has a total of 46 students. The number of females is 14 less than the number of males. How many males and how many females are in the class?

More Similar Questions