Answer: she invested $3250 in 5% interest account and $6750 in 8% interest account.
Step-by-step explanation:
Let P be the amount Maria invested in an account with 5% interest , then 10,000-P denote the amount invested in account with 8% interest.
The simple interest on amount P with rate r % in time t is given by:-
Interest in 5% account in 1 year=
Similarly,
Interest in 8% account in 1 year=
According to the question,
Thus, she invested $3250 in 5% interest account and $6750 in 8% interest account.