SOLUTION: I have to cut out 60 rectangles that are 10 inches by 5 inches. how much material will I need. answer in square feet. I know that one rectangle is 50 square inches and can calculat

Algebra ->  Rectangles -> SOLUTION: I have to cut out 60 rectangles that are 10 inches by 5 inches. how much material will I need. answer in square feet. I know that one rectangle is 50 square inches and can calculat      Log On


   

Question 431818: I have to cut out 60 rectangles that are 10 inches by 5 inches. how much material will I need. answer in square feet. I know that one rectangle is 50 square inches and can calculate square feet, but I cannot remember how to multiply many rectangles.
Found 2 solutions by shree840, josmiceli:
Answer by shree840(260) About Me  (Show Source):
You can put this solution on YOUR website!
to convert sq inches to sq feet divide by 144
to get for 60 rectangles multiply by 60
60*50/144=20.83 sq feet Ans

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
You have 60 areas that measure 50 in2.
60%2A50+=+3000+ in2
1 ft2 in inches is +12%2A12+=+144+ in2
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3000 in2 / 144 in2/ft2 = 20.833 ft2