1. Write a proportion that describes this situation: 8 of 10 people surveyed liked a certain new soft drink, so if 200 people are surveyed we'd expect about 160 to like it. 2. Solve each proportion. y 5 a. =- 84 b. 67 4 X+2 20 3. Solve each equation. a. 34 k-5 4. Solve for n: B = nw. b. If y = 220 and x = 40, find k in the equation y=kx. 5. On February 21, 2017, one ounce of gold was worth $1,283.50 Write two conversion factors based on this information. 6. Use one of the conversion factors you wrote to find the value of 10.5 ounces of gold, and use the other to find how much gold could be purchased for $30,000.