Part A: One-third of the Co atoms are replaced by Zn atoms

Determine the composition of each of the following cobalt alloys. Enter your answers numerically separated by a comma. I need B and C answered please.Part A: One-third of the Co atoms are replaced by Zn atoms. Found this to be 35.7% and 64.3%Part B: One-eighth of the Co atoms are replaced by Ti atoms. The percentbymassTi Co =??Part C: One-third of the Co atoms are replaced by Zn atoms and one-sixth of the Co atoms are replaced by Ti atoms. The percentbymassZn Ti Co = ??