Answered: 1. Symbolize each problem as an…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

1. Symbolize each problem as an equation (or a system) but do not solve it.

(a). A chem lab stores acid solutions in two concentrations, 8% and 15%. How much of each should a chemist mix to obtain 5 liters of a 10% solution? 10

(b). A rectangle’s length is 5 cm longer than half the width. The perimeter is 100 cm. What is the rectangle’s width?

(c). A rectangle’s width is 3 cm shorter than twice the length. The area is 54 sq cm. What is the rectangle’s length?

(d). A car leaves San Francisco going 55mph. A second car follows the first an hour later, traveling at 60mph. When does the second car catch up to the first? 13

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