Question 153571
Let W be the number of women students, M the number of men students.
1.{{{W+M=620}}}State College has 620 students.
2.{{{W=M+20}}}There are 20 more women than men..
.
.
Solve for W.
{{{W+M=620}}} Eq. 1
{{{(M+20)+M=620}}} Substitute eq. 2 into eq. 1
{{{2M+20=620}}} Simplify.
{{{2M=600}}}
{{{M=300}}} Number of men.
{{{W=M+20}}} Eq. 2
{{{W=300+20}}}
{{{W=320}}} Number of women