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16. A car park charges?hp 45 for the first three hours and Php 5 for every succeeding hour
or a fraction thereof. Another carpark charges Php 20 for the first three hours and Php 10 for every
succeeding hour or a fraction thereof. In how many hours would a car owner pay the same parking
fee in any of the two car parks?
A. 2 hr
B. 3 hr
C.5hr D. 8 hr​