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MATHEMATICS FOR AIR CREW TRAINEES 7 Example: Check the answer to example g(2) above. Solution: .624621034X10.367=6.64621034 6.64621034+remainder=6.64621034/0.00003966 _____________________ 6.64625000 Check. j. Units.-As in multiplication, any two different quantities may be divided, even though the units are not the same. The quotient is expressed in a unit which is itself the quotient of the units of the dividend and the divisor. (1) 175 miles by 10 hours Solution: 175 miles/10 hours = 17.5 miles/hours Answer. (In units of this type it is customary to write the denominator in the singular and to use the stroke(/) to separate the numerator from the denominator: 17.5 miles/hour or 17.5 miles/hr. Although "miles/hour" really means miles divided by hours it is usual to substitute the word "per" for "divided". Hence "miles/hour" is read as miles per hour, the standard abbreviation for which is mph. (2)Example: Divide 500 pounds by 50 square inches. Solution: 500 pounds/50 square inches = 10 pounds/square inch = 10lb/sq. in. Answer. (10 pounds per square inch) k. Exercises.-Perform the indicated divisions and express the quotient as a mixed number (1)894/16 (2)755/24 Solution: Answer. (3)1,025/314 (4)215/72 (5)4,723/353 (6)6,754,000/11,411 (7)9,001/30 (8)11,415/45 (9)673/37 (10)1,371/38 13