fooj2007
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Terry takes 7/8 hour to do one homework assignment. His brother takes 1/3 of the time he takes. How long will his brother take to complete 6 similar assignments

Respuesta :

bjsquad2007
Less time then Terry?
Terry = 7/8 hour = 60 × 7/8 =420/8= 52.5mins
Brother = 1/3 Terry = 1/3×52.5 = 52.5/3 = 17.5

Brother takes 17.5 minutes for 1 assignment

6 Assignments. .. 6 × 17.5 = 105 minutes

1 3/4 hours

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