Question

if the survey, 9/25 of students ride the bus to school and 19/50 walk to school. what fraction of students ride the bus or walk to school

Answer 1

1.
`(9)/(25)` of students ride the bus to school. Note that

`(9)/(25)=(9\cdot 2)/(25\cdot 2)=(18)/(50).`

2.
`(19)/(50)` of students walk to school.

3. The fraction of students that ride the bus or walk to school is

`(18)/(50)+(19)/(50)=(18+19)/(50)=(37)/(50).`

Answer: the fraction of students that ride the bus or walk to school is
`(37)/(50).`