Respuesta :
What is the ratio of red marbles to the total number of marbles in the jar?
red marbles = 12
total number of marbles = 7 + 12 + 4 = 23
ratio of red marbles to the total number of marbles = 12/23
red marbles = 12
total number of marbles = 7 + 12 + 4 = 23
ratio of red marbles to the total number of marbles = 12/23