Respuesta :

meerkat18
Given:
Red = 1/3
Blue = 1/4 
White = 5/12

1/3 + 1/4 + 5/12 ⇒ (1/3*4/4) + (1/4*3/3) + (5/12*1/1) ⇒ 4/12 + 3/12 + 5/12 = 12/12 =  1

Red: 4/12 = 0.33 ; Blue: 3/12 = 0.25 ; White: 5/12 = 0.42

Batch 1: 
Red : 5.95 * 0.33 = 1.9635 ⇒ 2
Blue: 5.95 * 0.25 = 1.4875 ⇒ 1.5 or 1 1/2
White 2 1/2 given:  2.5 / 0.42 = 5.95 total

Batch 2:
Red: 9 * 0.33 = 2.97 ⇒ 3
Blue: 2 1/4 given: 2.25 / 0.25 = 9
White: 9 * 0.42 = 3.78 ⇒ 3 3/4

Batch 3;
Red: 3 1/3 ⇒ 10/3 ÷ 0.33 = 10.10
Blue: 10.10 * 0.25 = 2.525 ⇒ 2 1/2
White: 10.10 * 0.42 = 4.242 ⇒ 4 1/6

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