A necklace calls for red, blue and white beads in the ratio of 5: 8:12. Ming has used
350 beads, how many of them are white in colour?

Respuesta :

Answer:

168

Step-by-step explanation:

  • find unity

350 : (5 + 8 + 12) =

350 : 25 = 14

  • multiply the units by the white ratio

14 * 12 = 168

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