1. There are 3 teachers and 25 students.
Ratios
LESSON 7-1
Additional Examples
During a school trip, there are 3 teachers and 25 students on each bus. Write each ratio in three ways.
a. teachers to students
There are 3 teachers and 25 students.
teachers to students 3 to 25 or 3 : 25 or 3 25
b. students to teachers
There are 25 students and 3 teachers.
students to teachers to 3 or 25 : 3 or 25 3

2. Write two different ratios equivalent to 24 : 8.
LESSON 7-1
Additional Examples
Write two different ratios equivalent to 24 : 8.
Divide each
term by 8.
24 : 8
3 : 1
÷ 8
Divide each
term by 2.
24 : 8
12 : 4
÷ 2
Two ratios equal to 24 : 8 are 3 : 1 and 12 : 4.

3. Write each ratio in simplest form.
Ratios
LESSON 7-1
Additional Examples
Write each ratio in simplest form.
a. 121 to 11
121 to 11
11 to 1
÷ 11
In simplest form, the ratio 121 to 11 is 11 to 1.
b. 28 : 16
28 : 16
7 : 4
÷ 4
In simplest form, the ratio 28 : 16 is 7 : 4.