Whats an expression used to multiply 6 x 198 mentally

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Jasmine wants to eat at 8: 00pm her meal takes 65mins to cook what time does she need to put the meal in the oven