If 2 1/3 feet of silver ribbon cost $.21, how much will 9 feet cost

Answer 1

(2 1/3)/0.21 = 9/x

(7/3)x = 1.89

x = 1.89 / (7/3)

x = 1.89 * (3/7)

x = 5.67/7 = $0.81

Answer 2

Three people on the company worth $18,000. Mr. Jones shares 25% and Mr. Smith share is 15%. How much money is Mr. Brown share worth?