1. Three friends, A, B, and C, formed a partnership and invested in the ratio of 2 : 1 : 5, respectively. They agreed to share the profit in the ratio of their investment. A invested $5,900.

a) If the partnership made a profit of $150,000 in the first year, calculate each partner's share of the profit.

b) In the second year, if A made a profit of $69,000 from the partnership, how much did B and C make?

2. Reduce the following ratio to their lowest terms and to an equivalent ratio having the smallest term 1.

18:30:45 a. Lowest Terms: b. Equivalent Ratio: