Shen’s mother gave him 10 dollars to go buy groceries. He picked up a gallon of milk for 3 point 4 9 dollars , three pounds of oranges that cost 1 point 1 4 dollars per pound, and a box of cereal for 3 point 4 6 dollars Shen used front-end estimation to determine whether he had enough money for the groceries. How much did he estimate the total cost would be?