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a bag contains 120 marbles. some are red and te rest are black . there are 19 red marbles for every black marble. how many red marbles for every black marbles .how many red marbles are in the bag explain or show your reasoning?

Respuesta :

Answer:

114 red marbles

Step-by-step explanation:

if there is one black marble per 19 red marbles, it is 1:19 ratio of black to red. Multiply your ratio by 6 and you get 6:114 black to red marbles.
114 that’s the answer