Tutorial ExerciseKevin has the same number of 49¢ stamps as 2¢ stamps. The total value of the stamps is $17.85. How manystamps of each kind does he have?Step 1Define a variable for the unknown and write an equation relating the known and unknown quantities from theproblem.You are asked to find the number of stamps of each kind. Let n represent the number of 49¢ stamps. Sincehe has the same number of each type, n also represents the number of 2¢ stamps.The dollar value of one 49¢ stamp is 0.49. If you multiply 0.49 by n you get the dollar value of all the 49¢stamps. Write this product as an algebraic expression.The dollar value of one 2¢ stamp is 0.02. If you multiply 0.02 by n you get the dollar value of all the 2¢stamps. Write this product as an algebraic expression.The total value of all the stamps is 17.85 dollars. Write an equation representing this relationship.0.49n += 17.85

Kevin has the same number of 49¢ stamps as 2¢ stamps. The total value of the stamps is $17.85. How many stamps of each kind does he have? tep 1 Define a variable for the unknown and write an equation relating the known and unknown quantities from the problem. You are asked to find the number of stamps of each kind. Let n represent the number of 49¢ stamps. Since he has the same number of each type, n also represents the number of 2¢ stamps. TE VOU multinly O 49 by n vo u get tbe dollar valu e of all the 49

Kevin has the same number of 49¢ stamps as 2¢ stamps. The total value of the stamps is $17.85. How many stamps of each kind does he have? tep 1 Define a variable for the unknown and write an equation relating the known and unknown quantities from the problem. You are asked to find the number of stamps of each kind. Let n represent the number of 49¢ stamps. Since he has the same number of each type, n also represents the number of 2¢ stamps. TE VOU multinly O 49 by n vo u get tbe dollar valu e of all the 49

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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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

Tutorial Exercise
Kevin has the same number of 49¢ stamps as 2¢ stamps. The total value of the stamps is $17.85. How many
stamps of each kind does he have?
Step 1
Define a variable for the unknown and write an equation relating the known and unknown quantities from the
problem.
You are asked to find the number of stamps of each kind. Let n represent the number of 49¢ stamps. Since
he has the same number of each type, n also represents the number of 2¢ stamps.
The dollar value of one 49¢ stamp is 0.49. If you multiply 0.49 by n you get the dollar value of all the 49¢
stamps. Write this product as an algebraic expression.
The dollar value of one 2¢ stamp is 0.02. If you multiply 0.02 by n you get the dollar value of all the 2¢
stamps. Write this product as an algebraic expression.
The total value of all the stamps is 17.85 dollars. Write an equation representing this relationship.
0.49n +
= 17.85

Expert Solution

Step 1

Let n be the number of 49￠stamps. since he has same number of each type, n also represent the number of the number of 2￠ stamps.

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