Question

what is the greatest possible speed at which a man can walk 52 km and 91 km in an exact number of minutes​

Answer 1

QIESTION :-

what is the greatest possible speed at which a man can walk 52 km and 91 km in an exact number of minutes

ANSWER :-

HCF ( 52, 91 ). = greatest possible speed.

2 | 52. 7 | 91

___________. ___________

2 | 26. 13 | 13

__________ ___________

13 | 13. . 1

___________

1

So 13 km/hr is the greatest possible speed.