Page 308 - Algebra 1
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27. Error Analysis Two students translate the sentence “The product of 25 and an (45) unknown number is at most 150.” Which student is correct? Explain the error.
*28. Geometry Gretchen wants to design a rectangular flower bed so that the length is (45) twice the width. She has 45 feet of edging. Write an inequality that represents the
greatest possible width of the flower bed.
2w ww
2w
*29. Scheduling Marcy needs to read a 400-page book for her literature class. She has (45) already read 255 pages. If she has 8 more days to read the book, about how many
pages does she need to read each day to complete the reading assignment on or before time?
128 _
Student A
25x ≤ 150
Student B
25x ≥ 150
*30. Sports A can containing 3 tennis balls has a volume of 9 π cubic inches. What is (46) the diameter of each tennis ball? (Hint: The formula for the volume of a cylinder is
V = πr2h.)
r
8 in.
Lesson 46 293
