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Horses are to race over a certain English meadow for a distance of \(4.0\) furlongs. What is the race distance in (a) rods and (b) chains? (1 furlong \(=201.168 \mathrm{~m}, 1\) rod \(=5.0292 \mathrm{~m}\), and 1 chain \(=20.117 \mathrm{~m}\). )

Short Answer

Expert verified
The race distance is 160 rods and 40 chains.

Step by step solution

01

Convert Furlongs to Meters

Start by converting the race distance from furlongs to meters. The total distance is 4 furlongs, and each furlong is 201.168 meters. Use the conversion formula: \[ \text{Distance in meters} = \text{Number of furlongs} \times \text{meters per furlong} \]Here, \[ \text{Distance in meters} = 4 \times 201.168 = 804.672 \text{ meters} \]
02

Convert Meters to Rods

Now, convert the distance from meters to rods using the conversion factor that 1 rod is 5.0292 meters. \[ \text{Number of rods} = \frac{\text{Distance in meters}}{\text{meters per rod}} \] Plugging in the numbers, \[ \text{Number of rods} = \frac{804.672}{5.0292} \approx 160 \]
03

Convert Meters to Chains

Next, convert the distance from meters to chains. We know 1 chain equals 20.117 meters. Use the conversion formula: \[ \text{Number of chains} = \frac{\text{Distance in meters}}{\text{meters per chain}} \] Substitute the known values to get, \[ \text{Number of chains} = \frac{804.672}{20.117} \approx 40 \]

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Converting Furlongs to Meters
To convert a distance from furlongs to meters, we first need to understand what a furlong is. A furlong is a unit of distance used in some sports, particularly horse racing. It is an Old English measure and used less frequently today.

To perform this conversion, remember:
  • 1 furlong equals 201.168 meters.
  • Multiply the number of furlongs by this conversion factor.
For example, if the race distance is 4 furlongs, the conversion to meters would be calculated as:
  • 201.168 meters per furlong ⟶ 4 furlongs × 201.168 meters/furlong = 804.672 meters.
This tells us the race distance is 804.672 meters. Make sure to perform this step before converting to any other units, as it gives a convenient base for further calculations.
Converting Meters to Rods
Once we have our distance in meters, we can move on to unit conversion into rods. Rods are another historical unit of measure left over from the British Imperial system.

Here's how to convert meters to rods:
  • 1 rod equals 5.0292 meters.
  • To convert from meters to rods, divide the total distance in meters by this value.
For example, if the distance in meters is 804.672 meters:
  • \[ \text{Number of rods} = \frac{804.672\, \text{meters}}{5.0292\, \text{meters per rod}} \approx 160\, \text{rods}\]
Following this method gives us approximately 160 rods. This process helps us understand how larger units of measure, like the meter, relate to smaller, more archaic units like the rod.
Converting Meters to Chains
The final conversion in our series involves converting meters to chains. Chains were historically used by surveyors and also originate from the British Imperial system.

Follow these steps:
  • 1 chain equals 20.117 meters.
  • The conversion from meters to chains is performed by dividing the length in meters by the length of one chain.
Let's convert 804.672 meters to chains:
  • \[ \text{Number of chains} = \frac{804.672\, \text{meters}}{20.117\, \text{meters per chain}} \approx 40\, \text{chains}\]
This calculation shows us that the race distance can be expressed as about 40 chains. Understanding these relationships highlights the interconnected nature of different units of measurement, allowing for greater flexibility in calculation and comprehension.

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