Explanation Given Information: The sales of calling cards were $ 500 , 000 in a recent year and $ 200 , 000 , 000 three years later. Formula used: Steps to subtract whole numbers: Step 1: Round off the minuend and subtrahend to the first digit and then subtract them to estimate the difference. Step 2: Calculate the exact difference. Step 3: Now compare the obtained estimated difference with an exact difference and identify whether the exact difference is reasonable. Step 4: Add the difference and subtrahend to check the exact difference. The minuend and sum should be equal

11th Edition

ISBN: 9780134496436

Author: Cheryl Cleaves, Margie Hobbs, Jeffrey Noble

Publisher: PEARSON

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Chapter 1.2, Problem 47SE

To determine

To calculate: The increase in sales of calling cards over the three years period if in the recent year, the sale was $500,000 and 3 years later, the sale had risen to $200,000,000.

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Chapter 1.2, Problem 46SE

Chapter 1.2, Problem 48SE

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The increase in sales of calling cards over the three years period if in the recent year, the sale was $ 500 , 000 and 3 years later, the sale had risen to $ 200 , 000 , 000 .

Solution Summary: The author explains the formula used to calculate the increase in sales of calling cards over the three years period.

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To calculate: The increase in sales of calling cards over the three years period if in the recent year, the sale was $500,000 and 3 years later, the sale had risen to $200,000,000.

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Chapter 1 Solutions