SOLUTION: Alan participated in a car race in which he had to cover a distance of at least 50 kilometers. he had fuel in his car for a maximum distance of 53 kilometers. if the distance is gi

Algebra.Com
Question 824193: Alan participated in a car race in which he had to cover a distance of at least 50 kilometers. he had fuel in his car for a maximum distance of 53 kilometers. if the distance is given by s(t)=3t+47,where t is the time in hours find the minimum and maximum number of hours for which Alan can drive his car
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
For at least 50 km:
km


hr
--------------
For a maximum of 53 km:



hrs
-----------
the minimum number of hours
for which Alan can drive his car
is 1 hr
-------
the maximum number of hours
for which Alan can drive his car
is 2 hrs
-------

RELATED QUESTIONS

1. If 5 times the value of a number is increased by 3, the result is 28. What is the... (answered by psbhowmick)
Driving his car at 50 mi/hr, jose can cover a certain distance in 20 min less than when... (answered by stanbon)
Jose can drive his car 50 mph and cover a certain distance in 20 minutes less than when... (answered by ankor@dixie-net.com,ikleyn,greenestamps)
a man drives a car a distance of 200 km at an average speed of 44 kmhr^-1. What must be... (answered by rothauserc)
A man drives a car a distance of 200 km at an average speed of 44 km/h. What must be his... (answered by Edwin McCravy)
[ Mike participated in a bicycle race. He covered 24 kilometers in 2 hours and the next... (answered by TimothyLamb)
Paul drove for one and a half hours at 65 mph before he realized he had forgotten his... (answered by Alan3354)
problem 1: A cyclist, riding steadily from his hometown, reached his destination in... (answered by Theo,mccravyedwin,Edwin McCravy)
a man walks at a constant speed. in 5 hours he covers a distance of 40 kilometers. how... (answered by rfer)