Question

If 1 mile =1.6 km and 8 furlongs make 1 mile, then the distance of 20 km =
- - - - - - - -furlongs.
A. 25
B. 510
C. 100
D. 20

Answer 1

Hint: Utilizing the global meaning of the inch as precisely 25.4 millimeters, one furlong is 201.168 meters. Five furlongs are around 1 kilometer (1.00584 km is the specific worth, as indicated by the universal change).

Complete step by step answer:
1mile = 7.99 furlong
1mile = 1.6 km
20km = 12.42miles
\[12.42\times 7.99=99.2358\]
 In the United States, a few states utilize more established definitions for studying purposes, prompting varieties in the length of furlong of two sections for each million, or about 0.4 millimeter’s (​$\dfrac{1}{64}$ inch). This variety is too little to even consider having functional results in many applications.

A furlong is a proportion of separation in magnificent units and U.S. standard units equivalent to one-eighth of a mile, proportionate to 660 feet, 220 yards, 40 bars, ten chains or around 201 meters.

Talking about the mile, it is an English unit of length of direct measure equivalent to 5,280 feet, or 1,760 yards, and normalized as precisely 1,609.344 meters by the peace accord in 1959.

The correct answer is C.

Note:
With qualifiers, "mile" is likewise used to depict or decipher a wide scope of units got from or generally equal to the Roman mile, for example, the nautical mile (presently 1.852 km precisely), the Italian mile (generally 1.852 km), and the Chinese mile (presently 500 m precisely). The Romans partitioned their mile into 5,000 Roman feet, yet the more noteworthy significance of furlongs in pre-current England implied that the resolution mile was made proportional to 8 furlongs or 5,280 feet in 1593. This type of the mile at that point spread to the British-colonized countries, some of which keep on utilizing the mile.