online media store, downloaded songs cost $3d each and books cost $9b each. Caleb purchased 15 songs and 3 books this month, and also paid $7 in sales tax. Write and simplify an expression to show how much Caleb spent on everything including tax. possible answers: Caleb spent (3d + 9b + 7) dollars. Caleb spent (72d + 7) dollars. Caleb spent (26b + 45d + 7) dollars. Caleb spent $79 dollars

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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In an online media store, downloaded songs cost $3d each and books cost $9b each. Caleb purchased 15 songs and 3 books this month, and also paid $7 in sales tax. Write and simplify an expression to show how much Caleb spent on everything including tax. possible answers: Caleb spent (3d + 9b + 7) dollars. Caleb spent (72d + 7) dollars. Caleb spent (26b + 45d + 7) dollars. Caleb spent $79 dollars.
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