SOLUTION: Roll of insulation are selected so that each layer after the first has 6 fewer rolls than the previous layer. How many total rolls of insulation are there of there are 5 layers in
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Question 1170402: Roll of insulation are selected so that each layer after the first has 6 fewer rolls than the previous layer. How many total rolls of insulation are there of there are 5 layers in total? Answer by greenestamps(13200) (Show Source):
