SOLUTION: Nancy jogs and walks to school each day. She averages 4 km/h walking and 8 km/h jogging. The distance from home to school is 6km snd she makes the trip in 1 hour. How far does she

Algebra ->  Systems-of-equations -> SOLUTION: Nancy jogs and walks to school each day. She averages 4 km/h walking and 8 km/h jogging. The distance from home to school is 6km snd she makes the trip in 1 hour. How far does she       Log On


   

Question 163226This question is from textbook Prentice Hall Algebra 2 with Trigonometry
: Nancy jogs and walks to school each day. She averages 4 km/h walking and 8 km/h jogging. The distance from home to school is 6km snd she makes the trip in 1 hour. How far does she jog in a trip? This question is from textbook Prentice Hall Algebra 2 with Trigonometry

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
st=d
Let j=time jogging and 1-j=time walking.
4(1-j)+8j=6
4-4j+8j=6
4+4j=6
4j=2
j=1/2 hr
8* 1/2=4 mi jogging.
.
Ed