3 years ago

Help me with this problem

Mathematics

1 answer:

Dima020 [189]3 years ago

4 0

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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