...find how many. nz. The first or left hand digit of a certain number exceeds the second by 5, and when the number is divided by the sum of its digits the quotient is 8 ; find the number. NOTE.— Let x= 1st digit, and x— 5= the 2nd ; then Wx+x— 5= the number. ИЗ....

...may be enunciated thus : "The tens digit of a certain number exceeds its units digit by 4 ; and when the number is divided by the sum of its digits the quotient is 7. What is the number?" 4. Translate the equations 3x + x = 16000 ; x + ^ + f — ft O 10 = 100; x...

...may be enunciated thus : "The tens digit of a certain number exceeds its units digit by 4 ; and when the number is divided by the sum of its digits the quotient is 7. What is the number ?" 4. Translate the equations 3x + x = 16000 ; x + - + - — 2> o 10 = 100; a;__...

...the rate of interest 5 %. 45. A number is expressed by two digits, the units' digit being the larger. If the number is divided by the sum of its digits, the quotient is 4. If the digits are reversed and the resulting number is divided by 2 more than the difference of...

...number ? 19. A certain number is expressed by two digits, of which the tens' digit is the greater. If the number is divided by the sum of its digits the quotient is 7 ; if the digits are interchanged, and the resulting number diminished by 12 is divided by the difference...

...difference of these numbers is 18. Find the numbers. 4. The sum of the two digits of a number is 9, and if the number is divided by the sum of its digits, the quotient is 6. Find the number. Exercise 69. Ex. A sum of money, at simple interest, amounted to $ 2480 in 4 years,...

...number of boys and of pennies. 28. A number with three digits is composed of consecutive odd numbers. If the number is divided by the sum of its digits, the quotient will be 23 and the remainder 12. Find the number. 29. A number consists of three digits of which the...

...the rate of interest 5 %. 45. A number is expressed by two digits, the units' digit being the Inrger. If the number is divided by the sum of its digits, the quotient i* 4. If the digits are reversed and the resulting number is divided by 2 more than the difference...

...first and last of which are alike, the tens' digit is 1 more than twice the sum of the other two, and if the number is divided by the sum of its digits, the quotient is 21 and the remainder 4? 81. One woman buys 4 yards of silk and 7 of satin, and another at the same...

...amount of each investment. 50. A number is expressed by two digits, the units' digit being the larger. If the number is divided by the sum of its digits, the quotient is 4. If the digits are reversed and the resulting number is divided by 2 more than the difference of...