Jack can swim 12 laps in 28 minutes. 28 minutes is 4 times greater than the time it took him to swim 3 laps. With 28 minutes he should therefore be able to swim 4 times as many laps. 3 times 4 equals 12
The full road trip is 50 miles. Step-by-step explanation: Given, Distance traveled by Joe's family = 30 miles This represents 60% of the total distance to be traveled.