Junior High School Mathematics, Book 2Heath, 1922 - Mathematics |
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Page 10
... earn in 44 hr . of work at $ 1.25 per hour ? 6. What is the cost of 90 ft . of pump road at 15 ¢ per foot ? 7. What is the cost of 125 ft . of galvanized water pipe at 23 ¢ per foot ? 8. What is the area of a rectangle 15 ft . wide and ...
... earn in 44 hr . of work at $ 1.25 per hour ? 6. What is the cost of 90 ft . of pump road at 15 ¢ per foot ? 7. What is the cost of 125 ft . of galvanized water pipe at 23 ¢ per foot ? 8. What is the area of a rectangle 15 ft . wide and ...
Page 24
... earn $ 550 if it is invested at 5 % for 1 yr . 6 mo . ? Solution . 1 . 2 . 3 . 4 . 5. D.075 The formula is I = PRT . I = $ 550 ; P = ?; R = 5 % ; T = 1 yr . .. 550PX.05X2 . .. or .075P550 . 550 = .075P , P = $ 7333 } . 7 333 X075 ...
... earn $ 550 if it is invested at 5 % for 1 yr . 6 mo . ? Solution . 1 . 2 . 3 . 4 . 5. D.075 The formula is I = PRT . I = $ 550 ; P = ?; R = 5 % ; T = 1 yr . .. 550PX.05X2 . .. or .075P550 . 550 = .075P , P = $ 7333 } . 7 333 X075 ...
Page 25
Walter Wilson Hart. EXERCISE 15 1. In how many years will $ 2000 earn $ 420 at 6 % interest ? 2. What principal will earn $ 250 in 2 yr . at 5 % inter- est ? 3. What rate of interest has been earned on $ 750 if the interest for 6 mo . is ...
Walter Wilson Hart. EXERCISE 15 1. In how many years will $ 2000 earn $ 420 at 6 % interest ? 2. What principal will earn $ 250 in 2 yr . at 5 % inter- est ? 3. What rate of interest has been earned on $ 750 if the interest for 6 mo . is ...
Page 26
... earned on $ 25,000 if the income in 6 mo . is $ 1200 ? 16. How long will it take $ 1850 to earn $ 650 interest at 5 % ? 17. How much must a man have invested at 7 % to produce $ 3500 per year income ? 18. A man's income from his work is ...
... earned on $ 25,000 if the income in 6 mo . is $ 1200 ? 16. How long will it take $ 1850 to earn $ 650 interest at 5 % ? 17. How much must a man have invested at 7 % to produce $ 3500 per year income ? 18. A man's income from his work is ...
Page 31
... class have time for them . Topic B.Compound Interest 15. When interest earned on money during an interest period ( like three months , or six months ) is added to the principal and , with it , draws interest during the INTEREST 31 12.
... class have time for them . Topic B.Compound Interest 15. When interest earned on money during an interest period ( like three months , or six months ) is added to the principal and , with it , draws interest during the INTEREST 31 12.
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Common terms and phrases
ad valorem altitude amount due angle balance bank discount borrowed bought brokerage called cash casting out nines compound amount compound interest cost cubic cylinder date of maturity debt decimal decimeters deposit dividends divisor dollar earn equal EXERCISE Express face value Find the interest following examples following numbers formula hypotenuse inches income tax indorse interest on $1 invested July June length Liberty Bonds market value means measure meters metric system mills minuend Multiply the numbers negative numbers note discounted numbers in Example owner Pages paid par value parallelopiped payment perimeter person pounds preferred stock premium prism profit purchaser Pythagorean Theorem rate of income rate per cent ratio receive rectangle result right triangle selling price semi-annually shares sides sold Solution Solve the equation square root Subtract subtrahend tax rate temperature triangular prism units weight width
Popular passages
Page 165 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...
Page 175 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.
Page 247 - The sum of two sides of a triangle is greater than the third side, and their difference is less than the third side.
Page 251 - 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 251 - English Money 4 farthings (far.) = 1 penny (d.) 12 pence = 1 shilling (s.) 20 shillings = 1 pound or sovereign...
Page 189 - To add two positive numbers, add their absolute values (§ 21), and prefix the plus sign to the result. 2. To add two negative numbers, add their absolute values and prefix the minus sign to the result.
Page 198 - RULE To subtract one number from another, change the sign of the./ subtrahend and add algebraically.
Page 170 - The Ratio of one number to another is the quotient of the first divided by the second. Thus, the ratio of a to b is -; it is also written a : b.
Page 196 - The number to be subtracted is called the Subtrahend. The number from which the subtrahend is to be subtracted is called the Minuend. The result is called the Remainder or Difference. 21. The symbol — , read "minus" or "less,
Page 86 - Duties are either specific, or ad valorem. A specific duty is a certain sum paid on a ton, hundred weight, yard, gallon, &c.