If three machines working at the same rate can do 3/4 of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do 3/5 of the job?	Choose the correct choice from the following answers: A) 36 B) 60 C) 75 D) 80 E) 100
using the std formula   m1d1h1/w1=m2d2h2/w2   substituting the values we have    3*1/2*4/3= 
<gadget id="calculator"> 3*1/2*4/3</gadget>
<output>2</output>
2*5/3*x (converted 30 min into hours=1/2)   2=10/3*x   x=3/5 hour   so 36 minutes   36NSWER:36
<result>A</result>
If three machines working at the same rate can do 3/4 of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do 3/5 of the job?