Meals are cooked in a process with two resources. The processing time of the first resource is $15$ minutes. The processing time of the second resource is $9\mathrm{.}9$ minutes. The first resource has $2$ worker and the second resource has $1$ worker. The cycle time of the process is $18\mathrm{.}8$ minutes.What is the average labor utilization $(\%)?$Note: Round your answer to $1$ decimal place.