A popular fast-food restaurant serves cheeseburgers and fries. A family meal consists of 3​ cheeseburgers and 3​ orders of fries for a total of 3150 calories. A deluxe family meal consists of 7​ cheeseburgers and 4​ orders of fries for a total of 5850 calories.
1. How many calories are in one cheeseburger?
2. How many calories are in one order of fries?
PLS ILL MARK BRAINLIEST