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added algebraic altitude angle answer base bills called cents CHECK circle circumference complement containing corresponding cost cross diagram differ digits distance divided Draw equal equation example EXERCISE expression factors feet figure Find the area Find the number foot formula four fraction given gives greater half inches kind larger length less letter longer marked means measurement miles miles an hour minus minutes Model multiplied number of degrees obtained paid pair parenthesis partial products perimeter pipe polygon pounds problem quarters radius ratio rectangle represent respectively result rhomboid right triangle root rule running sides similar smaller Solve square straight line stripe substitute subtracted third train trapezoid twice units values walk weighing wheel width
Σελίδα 175 - A sum of money is divided equally among a certain number of persons; if there had been four.
Σελίδα 178 - A's 49, B's 21 yrs. 24. There is a certain number consisting of two places of figures, which being divided by the sum of its digits, the quotient is 4, and if 27 be added to it, the digits will be inverted ; required the number.
Σελίδα 174 - The sum of two numbers is 123, and if the greater is divided by the smaller, the quotient is 2 and the remainder is 3. Find the numbers.
Σελίδα 217 - At what time between 4 and 5 o'clock are the hands of a clock exactly opposite each other ? 7.
Σελίδα 38 - A person buys 4 houses; for the second, he gives half as much again as for the first; for the third, half as much again as for the second; and for the fourth, as much as for the first and third together: he pays $8000 for them all.
Σελίδα 112 - That is, the square of the difference of two quantities is equal to the square of the first, minus twice the product of the two, plus the square of the second.
Σελίδα 14 - If the horse cost 4 times as much as the saddle, what was the cost of each ? 3.
Σελίδα 18 - A's share = $45 ; whence B's share is $90 and C's $270. 2. A fortress is garrisoned by 2600 men ; and there are nine times as many infantry, and three times as many artillery as cavalry. How many are there of each ? 3. From two towns, which are 187 miles distant, two travellers set out at the same time, with an intention of meeting. One of them goes 8 miles, and the other 9 miles a day. In how many days will they meet ? 4.