Math, asked by jaychawda, 11 months ago

a car covers a certain distance in 10hours at the speed of 48km h . by how much should its speed is incresed so that it takes only 8hours to cover the same distance​

Answers

Answered by mohadissazara
1

Answer:38.4km/h

Step-by-step explanation:

10 hours          :       48km/h

8 hours            :           x

cross multiply =

10x=384

x=384/10

x=38.4


jaychawda: no wrong thanks for your answer
Answered by Anonymous
2

OK I WILL TRY

LET THE DISTANCE BE X

SO

DISTANCE /TIME =SPEED

X/10=48

X=480KM

OK

IN SECOND CONDITION

DISTANCE =X=480KM

IN TIME =8 HOURS

SO SPEED =DISTANCE/TIME

SPEED=480/8

SPEED=60KM/HR

SO SPEED INCREASED

=60-48=12KM/HR


jaychawda: genius
jaychawda: thats right
jaychawda: thank you so much
Anonymous: TELL ME SOMETHING I DON'T KNOW
jaychawda: yes ..its the right answer.... thanks a lot
Anonymous: ok
Similar questions