Hong went for a drive in his new car. He drove for 2 hours at a speed of 51.2 miles per hour. For how many miles did he drive?

102.4

Step-by-step explanation:

He drove for 2 hours at 51.2 miles per hour, it wants you to find how many miles per hour did he drive, so every hour he drives just add another 51.2. So if he only drove for 2 hours you add up 51.2 + 51.2 which = 102.4

Step-by-step explanation:

Speed per hour = 51.2 miles

Distance in 2 hours = 51.2 x 2 = 102.4miles

He drove 102.4 miles