| Giver | Post | Date |
| Nelli | Re: GRE Math Challenge #70-Workers at Companies X and Y | 27-Mar-2024 |
| mahdi136687 | Re: GRE Math Challenge #70-Workers at Companies X and Y | 28-Nov-2021 |
| mariyayy | Re: GRE Math Challenge #70-Workers at Companies X and Y | 03-Oct-2021 |
| ShreeRaksha | Re: GRE Math Challenge #70-Workers at Companies X and Y | 12-Jul-2019 |
| Carcass | Re: GRE Math Challenge #70-Workers at Companies X and Y | 14-Dec-2017 |