### тИ КщМЕ ОИ ВЯчСТЕР -сЩМТАНГ ЙЯИТИЙчР

дЕМ ЕМТОПъСАЛЕ ЙЯИТИЙщР СТИР СУМчХЕИР ТОПОХЕСъЕР.

### дГЛОЖИКч АПОСПэСЛАТА

сЕКъДА 191 - To multiply a fraction by a fraction. Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
сЕКъДА 151 - T for the third, and ё for the last, and the rule would then be 55. We again insist that the young reader will read this chapter carefully over. PROPORTION. 56. When four numbers following each other are such that the first is as many times greater or less than the second, as the third is greater or less than the fourth, they are said to be in proportion ; thus, 2, 4, 3, 6, usually written thus...
сЕКъДА 225 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
сЕКъДА 222 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
сЕКъДА 144 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
сЕКъДА 210 - A and B can do a piece of work in 12 days, B and C together do it in 15 days.
сЕКъДА 145 - Multiplying or dividing both the numerator and denominator of a fraction by the same number does not change the value of the fraction.
сЕКъДА 210 - A can do a piece of work in 5 days, B in 6 days, and C in 7ё days ; in what time will they do it, all working together?
сЕКъДА 209 - WRITTEN. 1. A can do a piece of work in 6 days, and B can do it in 8 days.
сЕКъДА 246 - If 25 men do a piece of work in 24 days, working 8 hours a day, in how many days would 30 men do the same piece of work working 10 hours a day ? 5.