A camping site owner keeps at least $30$ motovans and $20$ tents in his camping site to

rent the campers one of these spaces depending on their choices. According to his

accountant he should at least rent $60$ rental space in total consisting of tents and motovans.

Each tent in average bringing him a cost average TRY $250$ for maintanence, and a

motovan brings cost TRY $300.$ How many motovans and tents should be kept in camping

site in order to keep costs as minimum? $($Use excel solver add in in order to find the

optimal solution$)(35$ p$.)$ Use the attached excel file and put your results in it$.$Note: You should run the calculations

with excel formulas. Do not just put

the numbers.