alice invested a portion of $500 at 4% interest and the remainder at 5%.
how much did she invest at each rate if her total income from both investments is $23.28.
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alice invested a portion of $500 at 4% interest and the remainder at 5%.
how much did she invest at each rate if her total income from both investments is $23.28.
Let x = amout invested at 4%Quote:
Originally Posted by watsod8
Let 500 - x = amount invested at 5%
.04x + .05(500 - x) = 23.28
Finish up....good luck.
Let x denote the amount which is invested at 4%, then (500-x) are invested at 5%:Quote:
Originally Posted by watsod8
Solve for x. I've got $162
Hi,
I tried to solve this and I don't get $162 . can someone please check my working and tell me were I have gone wrong .
thank you
 = 23.38 )
?
Typo, Earboth, but setup is good. Investment at 4% = $172Quote:
Originally Posted by earbothLet x denote the amount which is invested at 4%, then (500-x) are invested at 5%:
Solve for x. I've got $162
I don't get $172. were have I gone wrong?
Corrections in red.Quote:
Originally Posted by TweetyHi,
I tried to solve this and I don't get $162 . can someone please check my working and tell me were I have gone wrong .
thank you
First, it's 23.28, not 23.38
Second, 4%=.04 and 5%=.05
?