...are the numbers ? 5. The sum of three numbers is forty-eight : the second is seven times the first, and the third is equal to the sum of the first and second : what are the numbers 1 6. The sum of four numbers is seventy : the second is four times the first ; the...

...are the numbers 1 5. The sum of three numbers is forty-eight : the second is seven times the first, and the third is equal to the sum of the first and second r.-what are the numbers? 6. The sum of four numbers is seventy : the second is four times the first...

...buy in all ? 19. The first of four numbers is 3,125, the second is greater than the first by 5,108, the third is equal to the sum of the first and second, and the fourth is equal to the sum of the third and first ; what is the sum of the four numbers ? 20....

...If the first angle of a triangle is 30° more than twice the second, and the third is 12° more than the sum of the first and second, what is the number of degrees in each angle of the triangle, both interior and exterior? 8. One of two angles of a triangle is 15f degrees less...

...If the first angle of a triangle is 30° more than twice the second, and the third is 12° more than the sum of the first and second, what is the number of degrees in each angle of the triangle, both interior and exterior? 8. One of two angles of a triangle is 15f degrees less...

...less than 2 times the first, and the third is 10 more than 2 times the first. Find the numbers, if the third is equal to the sum of the first and second. 89. It is 206 miles farther from New York to Buffalo than from New York to Boston, and from New York...

...(5.1.4) are both redundant since the second is equal to the difference of the third and first while the third is equal to the sum of the first and second. Hence the second and third equations may both be discarded, and the solutions of the system (5.1.4)...