Answer:
80 feet
Step-by-step explanation:
you would do 8*10 to get the total area so the length *width
you times 10 by 8 and you get 80.
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the LCM of 21 and 105 is 105.
Answer: (129.12 ft^2) / (24 ft^2/can) = 5.38 cans. Round this up to 6 cans. Please undrstand that this is only an example, since I do not know the actual dimenions of the wall