Answer
It would take 4 weeks
Work Step by Step
b = 85 + (15 + 8)w
b= 85+(15+8) 1= 108
b= 85+ (15 + 8) 2 = 131
b= 85+ (15 + 8) 3 = 154
b= 85(15 + 8) 4 = 177
4 weeks
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