21. John and his dad are playing catch on the football field. John is standing on the 10 -yard line. His dad is standing on the 25 -yard line. How far is John from his dad? If his dad moves to the 20 -yard line, what is the distance between them now? 4.0A. 3
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To find the distance between John and his dad initially, we subtract John’s position (10-yard line) from his dad’s position (25-yard line), which gives us 15 yards. So, when John and his dad are in their original spots, they're 15 yards apart. If his dad then moves to the 20-yard line, we calculate the new distance by subtracting John’s position (10-yard line) from his dad’s new position (20-yard line). This results in a distance of 10 yards between them now. Catch me if you can!