Question

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The
average speed for the first 320 km of the tour is
${ \frac{ \frac{ \frac{ \frac{?}{?} }{?} }{?} }{?} \times \frac{?}{?} \times \frac{?}{?} }^{?}$
​

Answer 1

Step-by-step explanation:

Total time taken =(

64

160

+

80

160

)hrs.=

2

9

rs.

∴ Average speed =(320×

9

2

) km/hr= 71.11 km/hr.