CPM Homework Help : CC3 Problem 3-26

Solve this problem by defining a variable and solving an equation. Write your solution in a sentence.

West High School’s population is $250$ students fewer than twice the population of East High School. The two schools have a total of $2858$ students. How many students attend East High School?

Step 1:

Define a variable.

$x=$ the number of East High School students

Step 2:

Write an expression that defines the number of West High students in terms of the variable.

$2x-250=$ the number of West High students

Step 3:

Write an equation using the total population of the two schools.

$x+(2x-250)=2858$

Step 4:

Solve for $x$ .