Answer:
Ron paid $ 30 for his pair of jeans, while Tim paid $ 15 for the same model of jeans.
Step-by-step explanation:
Given that Ron paid X dollars for a pair of jeans, and Tim bought the same pair of jeans for half the price as Ron, if they paid a total of $ 45 for the 2 pairs, to determine how much did each spend on their jeans you must perform the following calculation:
X + 1 / 2X = 45
1X + 0.5X = 45
1.5X = 45
X = 45 / 1.5
X = 30
So Ron paid $ 30 for his pair of jeans, while Tim paid $ 15 for the same model of jeans.