Question

question 2 (multiple choice worth 1 points)
(01.02r, ratios and proportions lc)

porter is visiting india and would like to purchase some local spices. he finds some spices that cost 320.38 rupees. if the current exchange rate is 1 dollar:73.6500 rupees, how much do the spices cost in u.s. dollars?

$0.04
$4.35
$22.99
$23,595.99

Explanation:

Set up the conversion ratio

$$ \text{Exchange Rate} = \frac{1\text{ USD}}{73.6500\text{ Rupees}} $$

Convert rupees to dollars

$$ \text{Cost in USD} = 320.38\text{ Rupees} \times \frac{1\text{ USD}}{73.6500\text{ Rupees}} $$

Calculate the final value

$$ \text{Cost in USD} = \frac{320.38}{73.6500} \approx 4.35003\text{ USD} \approx \$4.35 $$

Answer:

• (A) $0.04
• (B) $4.35 (Correct answer)
• (C) $22.99
• (D) $23,595.99