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12-11-2019
Mathematics

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a store is having a sale with 10 % off everything. write a equation to show the sale prices s of any item given its regular price r.

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bayosanuade bayosanuade

12-11-2019

Answer: s = 0.9 r

Step-by-step explanation:

Since 10% is given off , then the remaining 90% is the sales price.

that is

s = 90/100 X r

s = 0.9r

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