Quote by: thayal

HI maths guru ..

pls help to answere the following question ..

Chogfu - SA1 - 2011 Maths - PRi 6 Qn 11 - pls help to elaborate

From level 1 to level 2, there were 2 flights of stairs of equal number of steps. for the first flight of stairs , jerry walked up some steps and ran 13 steps , and took a total of 38 seconds .then ,he got tired and for the second flight of stairs , he walked up some steps and ran 5 steps ,taking 70 seconds this time .(Assume that the speed of walking and running for both flights of stairs and run constant ).

How many minutes will jerry take if he only walks up from level 1 to level 2?

thyal