I need serious help - Math Help Forum

$Math Help Forum$

$Go Back$		Math Help Forum > Pre-University Math Help > Pre-Algebra and Algebra
$Reload this Page$ I need serious help

Download MHF Flyer

Mark Forums Read

$Reply$

#1

$Old$ November 7th, 2008, 07:20 PM

waterboy $waterboy is offline$

Newbie

Join Date: Nov 2008

Posts: 14

Country:

United States

Thanks: 10

Thanked 0 Times in 0 Posts

$waterboy is on a distinguished road$

$Default$ I need serious help

If you invest 7,000 in a fund part was invested at 12% and the rest at 10% the interest after a year was 761. How much was invested at each rate

Can someone please help me

$Reply With Quote$

Advertisement

#2

$Old$ November 7th, 2008, 07:47 PM

$skeeter's Avatar$

skeeter $skeeter is offline$

MHF Contributor

Join Date: Jun 2008

Location: North Texas

Posts: 4,977

Country:

United States

Thanks: 40

Thanked 2,153 Times in 2,039 Posts

$skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$ $skeeter has a reputation beyond repute$

$Default$

let x = amount invested at 12%
7000-x = amount invested at 10%

(x)(.12) + (7000-x)(.10) = 761

solve for x, then determine 7000-x

$Reply With Quote$

The following users thank skeeter for this useful post:
waterboy
$Donate to MHF$

$Reply$

« Interest rate in months | Top | logarithm question »

Thread Tools
$Show Printable Version$ Show Printable Version $Email this Page$ Email this Page
Display Modes
$Linear Mode$ Linear Mode $Hybrid Mode$ Switch to Hybrid Mode $Threaded Mode$ Switch to Threaded Mode

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are Off Refbacks are Off

Forum Jump

All times are GMT -7. The time now is 08:26 PM.

your link here Sponsors

rv solar, e-learning,

Math Help Forum is a community of maths forums with an emphasis on maths help in all levels of mathematics.
Register to post your math questions or just hang out and try some of our math games or visit the arcade.