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You can park in the garage for 5 hours 30 minutes
<em><u>Solution:</u></em>
Given that, shopping mall parking garage charges $2 for the first half hour and $1.20 for each additional half hour (even if it is under 30 minutes)
Therefore,
Cost for first half an hour = $ 2
Cost for each additional half an hour = $ 1.20
Let "x" be the number of each additional half hour
Therefore, total cost to pay is given as:
Total cost = Cost for first half an hour + (Cost for each additional half an hour)(number of each additional half hour)
Total cost = 2 + 1.20x
<em><u>Given you have $ 8 in cash</u></em>
Total hours parked = first half an hour + 5
Thus you can park in the garage for 5 hours 30 minutes