# The Rand-McNally primary arithmetic

Rand, McNally, 1899

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### Περιεχόμενα

 PART I 9 Roman Notation 137 Fractions 160 Decimal Fractions 179 Subtraction 190 Addition and Subtraction 196
 Multiplication 207 Division 219 Multiplication and Division 230 Percentage 246 Interest 254 Summary op Definitions Principles and Rules 261

### Δημοφιλή αποσπάσματα

Σελίδα 226 - ... place. In multiplying a decimal fraction by an integer, there are as many decimal places in the product as there are in the multiplicand.
Σελίδα 201 - ... miles a day ; how far apart are they at the end of 6 days?
Σελίδα 154 - MEASURE. 60 seconds make 1 minute, 60 minutes make 1 hour, 24 hours make 1 day, 7 days make 1 week, 4 weeks make 1...
Σελίδα 224 - A manufacturer packed 372 clocks in boxes, with 4 clocks in each box : how many boxes were used ? 25. If 4 bushels of wheat will make a barrel of flour, how many barrels will 972 bushels make? 26. If a man earn \$4 a day, how many days will it take him to earn \$1584? \$2140?
Σελίδα 235 - A brick is 8 inches long, 4 inches wide, and 2 inches thick. How many cubic inches are there in it?
Σελίδα 203 - ... two short lines crossing each other obliquely ; thus, x. It shows that the numbers between which it is placed are to be multiplied together ; thus, the expression 7 x 5 = 35 is read, 7 multiplied by 5 is equal to 35. QUESTIONS. — Art.
Σελίδα 174 - At 4 a dollar a yard, what will | of a yard of lace cost ! 25. At f of a dollar a yard, what will | of a yard of muslin come to ? 26. At | of a dollar a bushel, what cost ^ of a bushel of wheat?
Σελίδα 133 - Write a program that accepts a year written as a four-digit Arabic (ordinary) numeral and outputs the year written in Roman numerals. Important Roman numerals are: V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000.
Σελίδα 210 - ... many pounds were purchased ? 4. In a floor 12 ft. by 12 ft. there are square feet; there are square yards. (e) In a lot 24 feet by 96 feet, there are how many square feet ? (f) How many square yards ? 5. If a train moves at the rate of 20 miles an hour, to move 110 miles will require hours. (g) If a train moves at the rate of 35 miles an hour, how long will it take to go 1000 miles?
Σελίδα 238 - Two men start from the same place and walk in opposite directions, one at the rate of 3| miles an hour, and the other at the rate of 3£ miles an hour.