Hello please help on these 3 questions with the information at the top please help it's for marks

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

On a architect's drawing of a house, 1 inche representa 1.5

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil