You go to a restaurant with 3 friends the total bill is 90 you pay 6% tax and add 20% tip what do you pay

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

How do i solve uniform motion problems?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog