The ratio of the number of red marbles to the number of green marbles in a bag is 2:3. The ratio of the number of green marble to the number of blue marbles is 9:4 There are 76 marbles in the bag.
a) Find the number of red marbles in the bag.
b) Find the number of green marbles in the bag.
C) Find the number of blue marbles in the bag
///I already did a and b can you guys help me with c///