ronandcaseyrealtors ronandcaseyrealtors 31-01-2022 Mathematics contestada There are 15 marbles in a blue jar. The blue jar has 3 times as many marbles as a red jar. Let n be the number of marbles in the red jar. (a) Write an equation that relates the number of marbles in the two jars. Use 3, 15, and n. (b) Find n. n=1