Jimmy has a diecast metal car that is a scale model of an actual race car. if the actual length of the car is 10 feet 6 inches and the model has a length of 7 inches, what is the scale factor of the model to the actual car?

Convert 2000 swiss francs to dutch guilders

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

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?