julier subscribes to an on-line computer service that changes Php 100 for 25 hours on-line and Php 6 for each hour on-line in excess of 25 hours.last month, his bill was Php 622. how many extra hours was he charged for?
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julier subscribes to an on-line computer service that changes Php 100 for 25 hours on-line and Php 6 for each hour on-line in excess of 25 hours.last month, his bill was Php 622. how many extra hours was he charged for?
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Answer:
87 hour
Step-by-step explanation:
622-100(25 hours)=522
522/6=87 hours