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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 8: Q. 394 (page 996)

Todd is traveling to Mexico and needs to exchange $450 into Mexican pesos. If each dollar is worth 12.29 pesos, how many pesos will he get for his trip?

Short Answer

Expert verified

Todd will get around 5,530.5 Mexican pesos.

Step by step solution

01

Step 1. Given Information:

Todd is traveling to Mexico with $450 US dollars,

$1 US dollars is equal to 12.29 Mexico pesos .

02

:Translate into a proportion :

Need to take care of the units while translate into a proportion,

$\frac{p e s o s}{U S d o l l a r s} = \frac{p e s o s}{U S d o l l a r s}$

Let x be the pesos after exchanging $450 US dollars,

Proportion, $\frac{12.29}{1} = \frac{x}{450}$

03

Step 3. Solve Proportion :

$\frac{12.29}{1} = \frac{x}{450}$

Multiply both sides by the LCD(Lowest common denominator ) = 450.

$450 \times (\frac{12.29}{1}) = 450 \times (\frac{x}{450})$

Remove common factors on each side.

localid="1647792512767" $450 \times (\frac{12.29}{1}) = 450 \times (\frac{x}{450}) x = 450 \times 12.29 x = 5, 530.5 M e x i c o p e s o s .$

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Most popular questions from this chapter

Solve Proportions

$\frac{n + 10}{4} = \frac{40 - n}{6}$

Solve: $\frac{2 x + 15}{9} = \frac{7 x + 3}{15}$ .

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two ways: rewriting it as a division problem multiplying the numerator and denominator by the LCD Which method do you prefer? Why?

In the following exercises, simplify.

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Solve :

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See all solutions

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