Question

2) A car covers a distance of ( 9a2 + 27ab + 15b3) miles in 3 hours, what is the speed of the car ?​

Answer 1

Answer:

Distance covered by the car =201.25 km

and time consumed by car =3.5 hours

∴ The speed of car =

Time

Distance

=

3.5

201.25

km/h=57.5 km/h

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