If bill rides his bike 3 miles to fred's house and then walks with fred the remaining 1 mile to school, it will take him 30 minutes. but if he rides the entire distance, it will take him only 20 minutes. what is his walking and biking speed?

step-by-step explanation:

if you want to separate 54 into 6 individual tiers then you need to divide if you want to separate 54 into 6 individual tiers then you need to divide 6 and 54.

if you divide 9 by 6 you will get 54.

- hope i .

1/6

step-by-step explanation: