Ten items were selected from each of four sections at a supermarket. Details of the prices of
Question:
Ten items were selected from each of four sections at a supermarket. Details of the prices of those items, in dollars, on 1st April and on 1st June are shown in the following table.
For which section’s items could each of the following statements be true? Briefly explain each of your answers.
a. The total cost of the items did not change.
b. The price of each item changed by the same amount.
c. The proportional change in the price of each item was the same.
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a The total cost of the items did not change This statement could be true for any section because it ...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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