Posted by **Anonymous** on Wednesday, December 19, 2012 at 1:19pm.

A man has Rs 50,000.He invests some part of it in one bank @ of 11 p.c.p.a. and the remaining money in another bank @ of 9 p.c.p.a.He gets a combined simple interest of Rs 5,400(i.e the S.I of one bank + S.I of another bank = 5,400).Then find the amount of money invested in both the banks individually

- maths --plse help me.. -
**Damon**, Wednesday, December 19, 2012 at 1:43pm
.11 a + .09 b = 5400

but

b = 50,000 - a

so

.11 a + .09 (50,000 -a) = 5400

.11 a + 4500 - .09 a = 5400

.02 a = 900

a = 45,000

then

b = 5,000

## Answer this Question

## Related Questions

- Algebra 2 - A man is planning to invest up to $22,000in bank X or bank Y or both...
- simple interest - Jimmy invests 15,000 coins in a bank and earns simple interest...
- Maths - Sue,Martin and Lucy have £1180 in the bank shared between them in the ...
- math algebra - Mrs. martinez has $10,000 to invest.One bank offers her a return ...
- Pre-Calculus - . Margaret is planning to invest up to $22,000 in certificates ...
- Corporate law - At a closing at 10 a.m. on May 3, 2005, X Corp. delivers $25,000...
- math - Alice took out a $15,000 loan for college. She is borrowing money from ...
- math - A mother wnats to invest $6,000 for her son's future education. She ...
- Math Help!!!!! - 4) Jim has been offered a substantial cash discount if he pays ...
- business - . George Wilkins checked the spreadsheet where he keeps track of his ...