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Average rainfall is collected each year across the country. It Greenfield, the ratio of rainy days to total days is 4:17. During a year, on how many days would you expect no rain (round to the nearest day)? (Use 365 days as a year) Begin by defining a variable (including units). a. b. Set up and solve a proportion.

Average rainfall is collected each year across the country. It Greenfield, the ratio of rainy days to total days is 4:17. During a year, on how many days would you expect no rain (round to the nearest day)? (Use 365 days as a year) Begin by defining a variable (including units). a. b. Set up and solve a proportion.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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**Average Rainfall Analysis** Average rainfall is collected each year across the country. In Greenfield, the ratio of rainy days to total days is 4:17. During a year, on how many days would you expect no rain (round to the nearest day)? (Use 365 days as a year) **a. Begin by defining a variable (including units).** - Let \( x \) be the number of rainy days in a year. **b. Set up and solve a proportion.** - The ratio of rainy days to total days is given as \( 4:17 \), meaning for every 17 days, 4 are rainy. Therefore, the proportion is: \[ \frac{4}{17} = \frac{x}{365} \] - Solving for \( x \): \[ x = \frac{4 \times 365}{17} \] - Calculate \( x \): \[ x \approx 86 \] Therefore, the expected number of rainy days is approximately 86 days. - To find the number of days with no rain: \[ 365 - 86 = 279 \] Thus, you would expect approximately 279 days with no rain in a year.
Transcribed Image Text:**Average Rainfall Analysis** Average rainfall is collected each year across the country. In Greenfield, the ratio of rainy days to total days is 4:17. During a year, on how many days would you expect no rain (round to the nearest day)? (Use 365 days as a year) **a. Begin by defining a variable (including units).** - Let \( x \) be the number of rainy days in a year. **b. Set up and solve a proportion.** - The ratio of rainy days to total days is given as \( 4:17 \), meaning for every 17 days, 4 are rainy. Therefore, the proportion is: \[ \frac{4}{17} = \frac{x}{365} \] - Solving for \( x \): \[ x = \frac{4 \times 365}{17} \] - Calculate \( x \): \[ x \approx 86 \] Therefore, the expected number of rainy days is approximately 86 days. - To find the number of days with no rain: \[ 365 - 86 = 279 \] Thus, you would expect approximately 279 days with no rain in a year.
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