Jim and his Cousin are out at a restaurant

Jim and his Cousin are out at a restaurant. They each order a cheeseburger and milkshake. They also split an order to cheese fries. A cheeseburger is $3. A milkshake is $5. Cheese fries are $8. They spend 80% of their combined money. If Jim brought $20 how much did his cousin bring?

GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · train #4881