Luis can drive 3 times as fast as rico can ride his bike. If it takes rico 4 hours longer than Luis to travel 72 miles, how fast

Question

erik [133]

3 years ago

6

Luis can drive 3 times as fast as rico can ride his bike. If it takes rico 4 hours longer than Luis to travel 72 miles, how fast

can ricoride his bike

Mathematics

1 answer:

beks73 [17] · Answer 1 · 2022-03-08T05:48:52+03:00

beks73 [17]3 years ago

5 0

Let Rico's speed be S
Then Luis' is: 3S
We then get: seventy-two over s equals seventy-two over three s plus four
216=72+12s Multiplying by LCD, 3S
216-72=12s
144 = 12S
S, or Rico's speed would be 144 over 12 or 12mph