Question

aqar can complete a certain general in 12 hours if it travels at 65 km per hour how much time will it take if Travels at 78 kilometre per hour explain in proportion method​

Answer 1

Answer:

14.4 hrs

Step-by-step explanation:

It is specified that,

• 12 hrs needed if it travels at 65 km/hr

Its ratio can be given as 12:65

now,

• Let 'a' hrs be needed if it travels at 78 km/hr

so,

Its ratio can be given as a:78

Thus,

Puting in proportion,

=) a : 78 : : 12 : 65

=) a = (12 / 65) x 78

=) a = 14.4

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