SOLUTION: Ling invested some money at 7% interest. Ling also invested $137 more than 3 times that amount at 14% . How much is invested at each rate if Ling receives $1489.18 i

Question 1050593: Ling invested some money at
7%
interest. Ling also invested
$137
more than
3
times that amount at
14%
. How much is invested at each rate if Ling receives
$1489.18
in interest after one year? (Round to two decimal places if necessary.)

Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
0.07x+0.14(3x+137) = 1489.18
0.07x+0.42x+19.18 = 1489.18
0.49x = 1470
x = 3000 is invested at 7%
and
(3*3000)+137 = 9137 is invested at 14%
RELATED QUESTIONS
Ling invested some money at 9% interest. Ling also invested $66 more than 2 times that... (answered by solver91311)

Ling invested some money at 7% interest. Ling also invested $74 more than 4 times that... (answered by mananth)

Ling invested some money at 5% interest. Ling also invested $196 more than 3 times that... (answered by ankor@dixie-net.com)

Jarvis invested some money at 14% interest. Jarvis also invested $223 more than 3 times (answered by jorel1380)

George invested some money at 14% interest. George also invest $166 more than 3 times... (answered by ikleyn)

Sally invested some money at 14% interest. Sally also invested $207 more than 5 times... (answered by Fombitz)

Jarvis invested some money at 14% interest. Jarvis also invested $190 more than 2 times... (answered by stanbon)

James invested some money at 14% interest. James also invested $54 more than 2 times that (answered by josmiceli)

James invested some money at 6% interest. James also invested $209 more than 3 times that (answered by mananth)