Ariel left her home at 9 a.m., driving at 45 mph. at 11 a.m. her brother left the home and started after her at 60 mph. at what time did ariel's brother catch up with ariel?

Her brother catch her at 11 am + 4hour = 15 p.m  

Step-by-step explanation:

Given as ;

Speed of Ariel = 45 mph

She left home at 9 a.m

Her brother speed = 60 mph

Her brother left home at 11 a.m

Now from question So As Ariel speed is 45 mph so, after two hours pass , she ahead 90 m .

As her brother travel as 60 mph ,so he travel at ( 60 - 45 )= 15 mph faster

So, with this speed her brother will catch up her at = after 4 hour .

Hence her brother catch her at 11 am + 4hour = 15 p.m  Answer