
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:ASSESSMENT
Name:
FORM B continued
10 Kaden earns h dollars per hour working for a landscaper. He works 14 hours per
week. He writes the expression 14 h.52 to represent how much money he earns
in a year. Kaden's boss writes the expression 728h, Which person's expression tells
you how many hours Kaden works per year? Explain your reasoning.
SOLUTION.
11 Solve 20 =
X - 9
Write your answers in the blanks.
-4
X329,
-4(20) =
-4
-80 = x - 9
-80 +
= x - 9 +9
12 Ali is two years younger than Ray. Ray is 3 years younger than Nora. The sum of
their ages is 64. How old is Ray? Show your work.
SOLUTION
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GRADE 7• UNIT 4• Unit Assessment | Form 8
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