Posted by jazz on Saturday, November 1, 2008 at 9:47pm.
A cruise ship travelled 84 km in 3.5 h. At this rate, how long will it take to travel 1050 km?

math math math!  Ms. Sue, Saturday, November 1, 2008 at 10:02pm
First, let's figure out how many km the ship travels in 1 hour.
84 / 3.5 = 24 km
It travels 24 km in 1 hour.
Next, divide: 1050 / 24 = 43.75 hours or 1 day and 19.75 hours.
Another way to do this problem is to set up a proportion and cross multiply.
84 / 3.5 = 1050 / x
84x = 3675
x = 43.75
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