I need an answer! NO LINKS PLS! ILL GIVE BRAIN LIST!

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

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back