A Problem Solving Approach To Mathematics For Elementary School Teachers, Loose Leaf Edition Plus Mylab Math With Pearson Etext -- 18 Week Access Card Package (13th Edition)

13th Edition

ISBN: 9780136209409

Author: Rick Billstein, Shlomo Libeskind, Johnny Lott, Barbara Boschmans

Publisher: PEARSON

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Textbook Question

Chapter 5.1B, Problem 10A

ASSESSMENT

In each of the following problems, write an addition or subtraction statement and then solve the problem.

a. The hottest temperature ever recorded in the state of Arizona, 128 ∘ F , occurred on June 29, 1994, at lake Havasu. The lowest temperature in the state, 4 − 0 ∘ F , was recorded at Hawley Lake on January 7, 1971. What was the difference between hottest and lowest temperatures?

b. Barbara made a cup of coffee with a temperature of 90 ∘ F . She left it to cool, but forgot about it for 20 minutes, and its temperature dropped by 74 ∘ F . She reheated her coffee in the microwave, which increased its temperature by 58 ∘ F , and then she drank it. How hot was her coffee at the point of drinking?

c. At 4 P.M., the temperature in Barcelona was 28 ∘ F . By 2 A.M., it had dropped by 15 ∘ F , but by 10 A.M. the following morning it had risen by 11 ∘ F . What was the temperature in Barcelona at 10 A.M.?

d. If it is 2 − 6 ∘ F in Iceland and 104 ∘ F in Australia, what is the difference in temperatures?

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Chapter 5.1B, Problem 9A

Chapter 5.1B, Problem 11A

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Chapter 5 Solutions

A Problem Solving Approach To Mathematics For Elementary School Teachers, Loose Leaf Edition Plus Mylab Math With Pearson Etext -- 18 Week Access Card Package (13th Edition)

Ch. 5.1 - Prob. 1MC Ch. 5.1 - Prob. 2MC Ch. 5.1 - Prob. 3MC Ch. 5.1 - Prob. 4MC Ch. 5.1 - Prob. 5MC Ch. 5.1 - Prob. 6MC Ch. 5.1 - Describe a realistic word problem that models...Ch. 5.1 - Prob. 8MC Ch. 5.1 - a. I chose an integer. I then subtract 10 from the...Ch. 5.1 - Investigate how tides are measured and design an...

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Solution Summary: The author explains the subtraction statement and the difference between hottest and lowest temperatures by subtracting the lowest temperature at Hawley from the highest temperature in the state of Arizona.

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