(d) The people who work for the company are in the following age groups. Group C Group A Group B Over 50 years Under 30 years 30 to 50 years 7: 10. The ratio of the number in group A to the number in group B is The ratio of the number in group B to the number in group C is 4:3. (i) Find the ratio of the number in group A to the number in group C. Give your answer in its simplest form. (ii) There are 45 people in group C. Find the total number of people who work for the company.

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