What is the constant proportionality???

Match each graph with the correct equation from the equation bank. not all equations will be usef

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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