Sandy is incorrect. Absolute value marks serve the same purpose as parenthesis. So to solve the equation correctly, you would find the answer to x-6. Absolute value is the distance from zero, so the answer is 5. For example, if the answer was -5 then the answer would still be 5 because it is 5 units away from zero.
A. There will be 60 ounces of pineapple juice needed. 150 servings divided by 20 servings is 7.5 servings. 7.5 servings times 8 ounces is 60 ounces.
B. You can make 50 servings of punch. 20 servings divided by 8 ounces is 2.5 ounces. 2.5 ounces times 20 ounces equals 50 servings.