Saturday

August 23, 2014

August 23, 2014

Posted by **maihul** on Friday, November 30, 2012 at 7:33am.

- maths -
**Reiny**, Friday, November 30, 2012 at 8:44amlet the amount be x

at compound interest:

amount = x(1.12)^2 = 1.2544x

at simple interest:

x(.12)(2) = .24x

so ....

(1.2544x - x) - .24x = 90

x(1.2544 - 1 - .24) = 90

x(.0144) = 90

x = 6250

**Related Questions**

maths - 1. Find the amount and the compound interest on rs.12800 for 1 year at ...

maths - simple interest and compound interest on what sum will the compound ...

math - 1.John deposited $40,000.oo in the bank and earned simple interest of 7% ...

maths - At what rate of interest per annum, the amount ` 10, 000/- will be ...

computer science - When $1000 is deposit at 5% simple interest, the amount grows...

Visual Basic 2008 Programming - Help! I'm not sure how to start or how calculate...

maths-urgently needed - the simple interest of certain amount for a period of 2 ...

math (SIMPLE INTEREST) - 1.find a)simple interest earned b) simple amount for ...

math (SIMPLE INTEREST) - 1.find a)simple interest earned b) simple amount for ...

Compound interest - Hello My teacher skipped over this and I have no clue how to...