Question

rolls of insulation are selected so that each layer after the first has 6 fewer rolls than the previous layer how many layers will a lumber yard need to use in order to stack 126 rolls if 36 are placed on the bottom layer?​

Answer 1

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