Write this ratio as a fraction in lowest terms 20 minutes to 90 minutes sources

Whats the name of the vertical axis

Write a story that matches with the expression 42x-5 pls hurry

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