Question 388670
Since "bruce needs 30 five-foot ", this means that he needs {{{30*5=150}}} feet of rope total.



Now recall that 3 ft = 1 yard. Now multiply both sides by 50 to get 


3*50 ft = 1* 50 yd


150 ft = 50 yd



So this means that he needs 50 yards of rope.



Note: alternatively, you can divide 150 by 3 to convert from feet to yards.



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Jim