A bag contains green marbles and blue marbles, 26 in total. The number of green marbles is 1 more than 4 times the number of blue marbles. How many green marbles are there?

Answer 1

Let x = the number of blue marbles

Let 4x + 1 = the number of green marbles

x + 4x + 1 = 26

5x = 25

x = 5 blue

4(5) + 1 = 21 green