It takes a person 50 minutes to get to campus. He spends t minutes walking to the bus stop and the rest of the time riding the b
1 answer:
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Answer: $0.3
Step-by-step explanation:
Given
The owner buys 144 pens for $28.80 i.e. each pen costs
owner sells the pen at $0.4 i.e. price marked up by
So, the claim of the owner is incorrect
The actual increase in the price to get 50% markup