An item was bought for RM 3500. The retailer sold the item at a 15% discount but still maintained a gross profit of 20% on the net retail price. At what price did he list the item? Please help me​

Ineed with number 17 i don’t get it at alll

What is the solution to the equation in the & show work i’m very

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