1. A train traveled at an average speed of 23 miles per hour for 6 hours and 20 miles per hour for 8 hours. The total number mil
1 answer:
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Recall that
Adding these together, you have
Replace
with 
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with 
. You end up with
and so
and 
.
Adding these together, you have
Replace
and so
Answer:
Step-by-step explanation:
Given
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Required
Determine the difference between the shortest and the longest
This question implies that we calculate the range.
From the table, we have:
So, we have:
