$d_T = d_M \pm E$

$d_T = d_M \pm \dfrac{d_M}{L_t} \cdot e$

Where

*d*_{T} = true distance

*d*_{M} = measured distance

*E* = total error = *Ne*

*N* = number of tape lengths = *d*_{M}/*L*_{t}

*L*_{t} = length of tape as marked

*e* = error per tape length (too long or too short)

± = (+) for tape too long, (-) for tape too short

Hence,

$d_T = 160.42 + \dfrac{160.42}{50}(0.02)$

$d_T = 160.484 ~ \text{m}$ ← *answer*