math
posted by Preston .
Ricardo wants to cover a 8" by 10" by 5" box with contact paper How many square inches of caontact paper will he need? How much ribbon will he need if the bow itself adds 15"
just do l*W*H 8*10*5 then for the ribbon just add 15 to the solution of 8*10*5 = 450 + 15 = 465 then what ever it is in m. cm. in. mm.
Taylor can you help me?
find the surface area of each side and add them.
2(8x10)+2(8x5)+2(10x5) = 340sq inches of contact paper

the telephone company has 25 computercontrolled switching system. each system handles 700,000 calls an hour. the system works with 95% accuracy. how many calls would not be accurately answer in one day?
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