A Commercial Arithmetic

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Maynard, Merrill & Company, 1895
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Page 35 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Page 272 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 21 - The greatest common divisor of two or more numbers is the greatest number that will divide each of them without a remainder. Thus 6 is the greatest common divisor of 12, 18, and 24.
Page 264 - To find the Area of a Triangle when the Three Sides are given. Rule. — From half the sum of the three sides subtract each side separately. Multiply the half sum and the three remainders together, and extract the square root of the product.
Page 27 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 24 - Write the numbers in a line, and divide by any prime number that will divide two or more of them without a remainder, placing the quotients and undivided numbers in a line below.
Page 115 - Or, make the given interest the numerator, and the interest of the principal for 1 year at the given rate the...
Page 182 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Page 295 - O/TENS and UNITS is equal to the square of the tens, plus twice the product of the tens into the units, plus the square of the units.
Page 126 - Find the amount of 1 dollar for 1 year ; multiply its logarithm by the number of years ; and to the product, add the logarithm of the principal. The sum will be the logarithm of the amount for the given time. From the amount subtract the principal, and the remainder will be the interest.

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