Answer
$5475$ at $1.5\%$ and $1525$ at $2.5\%$.
Work Step by Step
Let $x$ be the amount he invested in the first account. Then the amount he invested in the second one is $7000-x$. Thus our equation is:
$0.015x+(7000-x)0.025=120.25\\0.015x+175-0.025x=120.25\\0.01x=54.75\\x=5475$
Hence, he invested $5475$ at $1.5\%$ and $1525$ at $2.5\%$.
