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## Section 1.3

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**Chapter 1**Section 1.3 Exercise #1**In the statement 9 – 6 = 3**9 is called the 6 is called the 3 is called the minuend subtrahend difference**Chapter 1**Section 1.3 Exercise #7**Do the indicated subtraction, and check your results by**addition.**Chapter 1**Section 1.3 Exercise #17**Do the indicated subtraction, and check your results by**addition. 9 9 1 1 1 3 1 1 1 0 0 4 0**Chapter 1**Section 1.3 Exercise #25**Do the indicated subtraction, and check your results by**addition. 1 2 4 1 1 1 7 3 3 5**Chapter 1**Section 1.3 Exercise #27**Chapter 1**Section 1.3 Exercise #41**For a trek by a hiker in a mountainous region, the starting**elevation and changes are given. Determine the final elevation of the hiker. Starting elevation 7302 feet, decrease of 623 feet, decrease of 123 feet, increase of 307 feet. 9 1 1 6 1 2 1 6679 6556 307 feet 6 8 3 6**Chapter 1**Section 1.3 Exercise #47**Inez has $228 in cash and wants**to buy a television set that costs $449. How much more money does she need? cost of the television cash Inez has money Inez needs**Chapter 1**Section 1.3 Exercise #51**Rafael opened a checking account and made deposits of $85**and $272. He wrote checks during the month for $35, $27, $89, and $178. What was his balance at the end of the month? Deposits Checks 2 35 1 27 89 2 178 9 2 3**Rafael opened a checking account and made deposits of $85**and $272. He wrote checks during the month for $35, $27, $89, and $178. What was his balance at the end of the month? 1 4 357 total deposits 329 total checks 8 2 $ end of the month balance**Chapter 1**Section 1.3 Exercise #57**Carmen’s frequent-flyer program requires 30,000 miles**(mi.) for a free flight. During 1999, she accumulated 13,850 mi. In 2000 she took three more flights of 2800, 1475, and 4280 mi. How much further must she fly for her free trip? 2 1 2 13850 2800 1475 4280 5 0 2 4 2**2**9 9 9 1 30000 Carmen’s frequent-flyer program requires 30,000 miles (mi.) for a free flight. During 1999, she accumulated 13,850 mi. In 2000 she took three more flights of 2800, 1475, and 4280 mi. How much further must she fly for her free trip? 5 0 2 4 2 7 5 9 5