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The bag was filled with red marbles and blue marbles in the ratio of 5:7. If there were 180 marbles in the bag,how many were red?

Respuesta :

You just have to multiply each number by 180 and that's how many you have of each color respectively
Dannymal
R + B = 5/7 x 180
R + B = 900/7 = 128, 4/7
If R = B than R is 450/7 = 64, 2/7
R or B = 64, 2/7

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