Andrea leaves Boston at 10:00 a.m. and drives to Buffalo, NY, which is 400 miles away. After 4 hours, the traffic causes Andrea to reduce her speed by 20 mph. She stops to rest for two hours, and then arrives in Buffalo at 8:00 pm What was Andrea's initial speed?

I need help on this one, I'd like to know how to do this and the correct answer. Thanks!
(HELP)

Question

05-11-2021
Mathematics

Answered

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Andrea leaves Boston at 10:00 a.m. and drives to Buffalo, NY, which is 400 miles away. After 4 hours, the traffic causes Andrea to reduce her speed by 20 mph. She stops to rest for two hours, and then arrives in Buffalo at 8:00 pm What was Andrea's initial speed?

I need help on this one, I'd like to know how to do this and the correct answer. Thanks!
(HELP)

Sagot :

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