# A Mental Arithmetic

American Book Company, 1897 - 176 σελίδες

### Τι λένε οι χρήστες -Σύνταξη κριτικής

Δεν εντοπίσαμε κριτικές στις συνήθεις τοποθεσίες.

### Περιεχόμενα

 ADDITION e e º 7 SUBTRACTION e o c 28 DIVISION e 36 FRACTIONs e 44 DENOMINATE NUMBERs 109
 PERCENTAGE e 125 MiscellANEous PROBLEMs 150 TABLEs of DENOMINATE NUMBERs 178 173 Πνευματικά δικαιώματα

### Δημοφιλή αποσπάσματα

Σελίδα 170 - CUBIC MEASURE. 1728 cubic inches (cu. in. ) = 1 cubic foot (cu. ft.).
Σελίδα 170 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Σελίδα 169 - Measures of length are used in measuring lines or distances. TABLE. 12 inches (in.) = 1 foot (ft.). 3 feet = 1 yard (yd.). 5J yards, or 16| feet = 1 rod (rd.).
Σελίδα 170 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 171 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . \$. 10 Dollars = 1 Eagle . E.
Σελίδα 102 - A and B can do a piece of work in 4 days, A and C in 6 days...
Σελίδα 69 - If 7 men can do a piece of work in 4| days, how long will it take 1 man to do it ? How long will it take 3 men to do it ? 4.
Σελίδα 170 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 71 - If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days ? 20.