Answer:
20
Explanation:
We are given that
Jim has currently balance=$1250
Sally has currently balance=$1400
Jim deposits money per week=$27.50
Sally deposits per week=$20
We have to find how many weeks they will have the same amount of money.
Let w be the week .After w week they have same amount
According to question
![1250+27.50 w=1400+20w](https://img.qammunity.org/2020/formulas/mathematics/high-school/3eniog8qsav5uhc3rd0wkn45995a6ihthz.png)
![27.50 w-20 w=1400-1250](https://img.qammunity.org/2020/formulas/mathematics/high-school/qfqoks9hchub4tnobajjk54mb81p8e5bjf.png)
![7.5 w=150](https://img.qammunity.org/2020/formulas/mathematics/high-school/oatvcd2g7r3roh62gak36pucs12kgk8e9h.png)
![w=(150)/(7.5)=20](https://img.qammunity.org/2020/formulas/mathematics/high-school/oerz5wllgmfztf1hi8y8iq4cojtc9iosvx.png)
After 20 weeks , they will have the same amount of money.