Question

A student walks and jogs to college each day.She averages 5km/h walking and 9km/h jogging.Tha distance is 8km and she makes the trip in 1 hour. How far does she jog?
let her distance walking be x km
then her distance jogging is 9-x km

The total of her times walking and jogging is 1 hour

x/5 + (8-x)/9 = 1
multiply by 45
9x + 5(8-x) = 45

I will let you finish it.

Related Questions

A student walks and jogs to college each day. She averages 5km/h walking and 9km/h jogging. The dist... A student walks around a pool and estimates the pool has a circumference of 240 m. Using a protrac... A student walks from her apartment a distance d=139m to the bus stop at a speed of v1= 1.40m/s. The... Karen jogs 1/2 mile. Selma jogs 1/4 mile more than Karen. Lena jogs 3/4 mile more than Selma. How fa... A student walks 5km due north from O and then 8km due east. Find his bearing from O.Correct to the n... A student walks downstairs to class. Which statement correctly describes the types of energy the stu... A STUDENT walks in reading a flyer. He looks up and addresses the camera. STUDENT: Oh, hi! I was... A student walks downstairs to class. Which statement correctly describes the types of energy the stu... Question A student walks to school in the morning when the outside temperature is 60ยบ F. when the s... A student walks up a hillThe student's friend has the same mass and walks up the same hillbut comple...