1.determine which ratio forms a proportion with 12/7 by using cross products.

a) 60/35
b) 24/10
c) 36/14
d) 18/14

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

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

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.