Asked by ROBERT
if the speed of a car is increased from 90km/h to 120km/h, the time is reduced by one hour to reach the destination. Calculate the distance between the two towns.
Answers
Answered by
Reiny
let the distance be d km
time at 90 km/h ---- d/90
time at 120 km/h --- d/120
d/90 - d/120 = 1
solve for d
hint: multiply each term by 360 to clear fractions
time at 90 km/h ---- d/90
time at 120 km/h --- d/120
d/90 - d/120 = 1
solve for d
hint: multiply each term by 360 to clear fractions
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.