Jake ran 6.8 miles yesterday and 10.4 miles today. How many more miles did he run today?

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

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Simplify the following expression 48^1/2