Math problem

A ship travelled 100 miles in 5 and a half hours. The ship travelled at a constant speed for the first 30 miles before increasing its speed by 5mph during the remainder of the journey. calculate the speed during the first 30 miles.

Answers
I know how to solve this.
robert2957
12 December 2012
do I have to pay for an entire hour on the one question?
jameswhiting
12 December 2012
Can you ask the people who run the site? I am new to this.
robert2957
12 December 2012
well I have a couple more that I struggle with so il pay the £25 then fire off a couple of question to you?
jameswhiting
12 December 2012
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