Answer:
The amount put in the account that paid 7% ( Fund B) was $6,500
Explanation:
Let
x -----> the amount put in the account that paid 5% (Fund A)
$10,000-x -----> the amount put in the account that paid 7% (Fund B)
in this problem we have


so






therefore
The amount put in the account that paid 7% ( Fund B) was $6,500