jim uses 3 cups of peaches to yield 4 jars of peach jam 4 jars of jam. He also makes strawberry-peach jam. He uses equal amounts of strawberries and peaches. How many cups of strawberries does Jim need to yield 10 jars of strawberry-peach jam? The answer is 3 and 3/4, but how do you get 3 and 3/4?