Eva invested a certain amount of money at 1% interest and $1500 more than that amount at 7%. Her total yearly interest was $345. How much did she invest at each rate?

Amount invested at rate of 1% is $3000

And amount invested at rate of 7% is $4500

Explanation:

Let he invested $x at a rate of 1%

So amount invested at rate of 7% = x+1500 ( Given in question )\

Total interest for 1 year is given $345

Interest will be equal to , here P is amount to be invested r is rate of interest and n is time period

So total interest

8x = 24000

x = 3000

So amount invested at rate of 1% is $3000

And amount invested at rate of 7% = $3000+$1500 = $4500