FIERCEWARRIOR2 FIERCEWARRIOR2

29-12-2016
Mathematics

contestada

Rob can tar a roof in nine hours.One day his friend Kayla helped him and it only took hime 4.74 hours. How long would it take Kayla to do it alone

Respuesta :

ljeeps82 ljeeps82

29-12-2016

9x10.014084507 / 9 + 10.014084507 = 4.74
90.126760563 / 19.014084507= 4.74 4.74 = 4.74

therefore Kayla can do it in 10.01 hrs

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