Whats the answer to this question? ( Branliest )

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount