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a. 5. A seller of books wanted a mark-up based on cost of 20%. If his book costs P550, how much will be the mark-up? P27.50 b. P110 P2,750 d. P11,000 C.​

Sagot :

Answer:

letter b lods 110 because in 550 in 20 persent is 110

Answer:

Letter B po

Step-by-step explanation:

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