John started working part time at a local pet store and earned $24 a day. Two days laterJack started working part time at a local music store and earned $30 a day. After how
many days do they earn the same amount?
Answers
Answer 1
Answer:
Answer:
They earn the same amount after 8 days.
Step-by-step explanation:
When both started working(the day Jack started, John had been working for 2 days earning $24 a day, so he already had 2*24 = $48). We started modeling from this day.
John:
He already had $48.
He would earn $24 per day.
So after n days, his amount would be:
Jack:
He has nothing.
He would earn $30.
So after n days, his amount would be:
After how many days do they earn the same amount?
After n days.
n is found when:
They earn the same amount after 8 days.
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