A company uses 3 pounds of ink to print 600 posters. How many pounds of ink would be needed to print 1,000 posters?
- 4 pounds
- 5 pounds (correct answer)
- 6 pounds
- 7 pounds
Explanation: First, find the unit rate of ink used per poster. Rate = 3 pounds / 600 posters = 0.005 pounds per poster. Then, multiply this rate by the new number of posters. Ink needed = 0.005 pounds/poster × 1,000 posters = 5 pounds. Alternatively, find posters per pound: 600/3 = 200 posters per pound. For 1,000 posters, you need 1,000/200 = 5 pounds.