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OpenStudy (fisherdevo):

!!!!!!!!!!!!will fan and medal!!!!!!!!!!!!!!! QUESTOION BELOW

1 year ago
OpenStudy (fisherdevo):

1 year ago
OpenStudy (dumbcow):

Let u = unit rate P = num of people W = num of walls T = time in minutes $T = u \frac{W}{P}$ First find unit rate $63 = u (\frac{9}{4})$ $u = 63(\frac{4}{9}) = 28$ Now solve for T for 7 people and 4 walls $T = 28 (\frac{4}{7}) = 16$

1 year ago
OpenStudy (sshayer):

i solve it by unitary method. |dw:1465428381143:dw|

1 year ago