Bob left home, riding his bike at a rate of 10mph to go to the lake. Cheryl, his wife, left 45 minutes ( 0.75 hours) later, driv
ing her car at a rate of 25mph. How long will it take Cheryl to catch up to Bob?
1 answer:
Answer:
It takes Cheryl 0.5 hour (or 30 minutes) to catch Bob.
Step-by-step explanation:
<u>Bob:</u>
rate = 10 mph
time = t
distance
miles
<u>Cheryl:</u>
rate = 25 mph
time = t - 0.75 hours
distance
miles
If Cheryl catchs up to Bob, then their distances are the same:

It takes Cheryl 1.25 - 0.75 = 0.5 hour (or 30 minutes) to catch Bob.
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