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Use the conversion factor that 1 feet is equal to 12 inches.
2 feet=24 inches
We are asked to express 2 feet in inches. 2 feet= inches To do so, we will use the fact that 1 feet is equal to 12 inches. Let's write this relationship as a unit ratio. 12 in./1feet To perform the conversion, we need to multiply 2 feet by the unit ratio or its reciprocal. Remember, we want to arrange this ratio such that every unit we do not want gets canceled out and only the unit that we want will remain.
a=a/1
Multiply fractions
Cancel out common factors
Simplify quotient
Multiply
a* b/c=a/c* b
a/1=a
We got that 2 feet is equal to 24 inches. 2 feet=24 inches
Around the world, people use conversion factors on a regular basis. You can read more about some practical applications of conversion factors in our original content.