Question $23$

Attempt due: May $2$ at $11\mathrm{.}59pm$

$1$ Hour, $6$ Minutes, $49$ Seconds

Given the following activity network:

$3$ pts

$1$ Hour, $6$ Minutes, $49$ Seconds

Activity A$1$ takes $5$ weeks, A$2$ takes $10$ weeks, and A$3$ takes $7$ weeks. What is the earliest start time of A$3?$ weeks $($round to the nearest integer$)$