lpaddock
lpaddock lpaddock
  • 02-03-2017
  • Mathematics
contestada

$6300 is​ invested, part of it at 10​% and part of it at 9​%. For a certain​ year, the total yield is ​$598.00. How much was invested at each​ rate?

Respuesta :

mathssydney
mathssydney mathssydney
  • 02-03-2017
let x be sum invested at 9%
0.09x + 0.1 (6300-x) = 598
0.09x + 630 - 0.1x = 598
630-598 = 0.1x -0.09x
32 = 0.01x
x = 3200 - invested at 9%
and 6300-3200 = 3000 invested at 10%

Answer Link

Otras preguntas

Please help! Which of the following violates the assumptions of the Hardy-Weinberg equilibrium a. the population under consideration has many individuals
His ordinary occupations were neglected or forgotten. He roamed from chamber to chamber with hurried, unequal, an objectless step. The pallor of his countenance
What name was given to president jackson’s practice of rewarding political supporters with government?
Describe the net of a square pyramid
What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2
can you please find the area of the figure.
Why do many businesses use price competition?
A cognitive therapist is concerned primarily with helping clients change their
classify each type of income as earned or unearned: gifts
What is parametric function?