# Efficiency Arithmetic: Intermediate, Book 2

Atkinson, Mentzer, 1917 - Arithmetic - 282 pages
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Page 199 - The area of a parallelogram is equal to the product of its base and its height: A = bx h.
Page 44 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 180 - Thirty days hath September, April, June, and November; All the rest have thirty-one, Except February alone, Which hath but twenty-eight in fine, Till leap year gives it twenty-nine.
Page 180 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 33 - A number is divisible by 3 if the sum of its digits is divisible by 3• A number is divisible by 9 if the sum of its digits is divisible by 9.
Page 118 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 45 - We have seen in the preceding exercise that we may divide both the numerator and the denominator of a fraction by the same number without changing the value of the fraction.
Page 111 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Page 107 - LENGTH 12 inches (in.) =1 foot (ft.) 3 feet = 1 yard (yd.) 5\ yards, or 16| feet = 1 rod (rd.) 320 rods, or 5280 feet = 1 mile (mi.) SQUARE MEASURE 144 square inches (sq.
Page 44 - From these examples we see that: Dividing both terms of a fraction by the same number does . not change the value of the fraction.