There are 785 students in a senior class. there are 77 more females than males. how many male and female seniors are there?

Step-by-step explanation:

This means between males and females, there are 785 people in total. This can be expressed as

This can be expressed as

, because there 77 females more.

Then, we replace the second equation into the first one

Now, we use this value to find the other one

Therefore, there are 431 female students and 354 male students.

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24