Evelyn2705 Evelyn2705

26-02-2019
Mathematics

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Help me with this problem

Help me with this problem class=

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danielfedorov02 danielfedorov02

26-02-2019

Answer:

a. Ryan 70mph. Janelle 65mph.

b. 4 hours and 48 minutes.

Step-by-step explanation:

a. Ryan 245/3.5=70 mph. Janelle 260/4=65 mph.

b. If Janelle drives 575 miles with the speed of 65 mph, in total it would take her 575/65=8.8 hours, which is 4.8 hours more than 4 hours. (0.8 hours is 48 minutes).

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