investment problem

[sawhai]

A portion of $6600 is invested at a 5% annual return, while the remainder is invested at a 3% annual return. If the annual income from the portion earning a 5% return is twice that of the other portion, what is the total income from the two investments after one year?


A. 300
B. 180
C. 360
D. 270
E. 320

[clock60]

Originally Posted by sawhai

A portion of $6600 is invested at a 5% annual return, while the remainder is invested at a 3% annual return. If the annual income from the portion earning a 5% return is twice that of the other portion, what is the total income from the two investments after one year?


A. 300
B. 180
C. 360
D. 270
E. 320

imagine that x was invested at 5% than
6600-x was invested at 3%
0,05x=2*0,03(6600-x) according with the condition of the problem
now solve the equation and x=3600
3600*0,05=180
(6600-3600)*0,03=90
180+90=270
so answer is D
what is oa

[sawhai]

Thanx clock,

I don't know the OA

[Dr_GMAT]

Thanks Clock