Posted by BLUE on .
USE THE FORMULA: A=P+I.P, WHERE A IS THE VALUE OF THE INVESTMENT IN ONE YEAR, P IS THE ORIGINAL INVESTMENT, AND I IS THE INTEREST RATE FOR THE INVESTMENT. FIND THE INTEREST RATE FOR AN ORIGINAL INVESTMENT OF $3,000 WHICH HAD A VALUE OF $3,450 AFTER ONE YEAR.

Math  assistance needed  computing interest 
Writeacher,
Blue, when you type in allcaps, two things happen:
**it's harder to read, and
**it's the online equivalent to SHOUTING.
Please just type in regular mode, not with the Caps Lock feature turned on. Thanks.
=) 
MATH 
drwls,
Please turn your caps lock off.
They tell you what P is ($3000) and what A is ($3450). Solve the equation for I.
You earn $450 on $3000 in one year. What % of 3000 is 450? 
MATH 
BLUE,
15%

MATH 
drwls,
Correct