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{(3 x 5) + 18} x 2 = {15 + 18} x 2 = 33 x 2 = 66 {(4 x 9) + 22} x 2 = {36 + 32} x 2 = 68 x 2 = 136 {(2 x 3) + 44} x 2 = {6 + 44} x 2 = 50 x 2 = 100
Aamir is twice as efficient a worker as Bender and together they can complete a work in 42 days. In how many days will Aamir alone complete the same work?