Atevery bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many buses would you expect to depart in o
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First of all, we need to deduce the price of a single camera:
Now, we know that he profits 36 dollars from each camera. So, we are asking: which percentage of 150 is 36? We have
This equation literally says: 36 is x-percent of 150. And we need to solve for x: