Question

car is moving at an average speed of 36 4/5 km/hr. How much distance will it cover in 7 1/2 hours.

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Answer 1

GIVEN:

AVERAGE SPEED OF A CAR=364/5 KM/HR

TO FIND:

DISTANCE COVER IN 71/2 HR.....

SOLUTION:

1HR=364/5 KM

71/2 HR =X KM

NOW, BY CROSS MULTIPLICATION,

NOTE:

HERE, QUANTITIES SHOW DIRECT VARIATION THATS WHY WE HAVE DONE CROSS MULTIPLICATION.

SO,.....

X×1=364/5×71/2

X=182/5×71

X=12922/5 KM

HENCE,

A CAR WILL COVER 12922/5 KM DISTANCE IN 71/2 HOURS.

Answer 2

Step-by-step explanation:

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