Answer:
![\$3935](https://img.qammunity.org/2022/formulas/mathematics/high-school/wzpa19g093ym0qgylmeqkkvlsleics8ol5.png)
Explanation:
Total bills to be paid in 1 month
![575+230+170+120+550+500=\$2145](https://img.qammunity.org/2022/formulas/mathematics/high-school/sz7u236oe0fym82evpu4r2pycd3xh4yciq.png)
The bills for 3 months is
![2145* 3=\$6435](https://img.qammunity.org/2022/formulas/mathematics/high-school/bd440gb10aycek69qira1bnbn09f014svs.png)
Amount of money in the bank account =
![\$3000](https://img.qammunity.org/2022/formulas/mathematics/high-school/mej09g0bqn9ryrsh81nk3yjus8tl6a1twu.png)
To pay the bills she needs
more.
She also needs to have $500 dollars after the bills are paid so
![3435+500=\$3935](https://img.qammunity.org/2022/formulas/mathematics/high-school/y84g6t49tfbgjxf8tyr5k537e66456w7l2.png)
Hence, Mrs. Pedersen needs to deposit
in her bank account.