Question 1171421
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The solution method shown by tutor @ikleyn is a perfectly good one.<br>
Here is another that some students may like better.<br>
(Multiply the given time by the ratio of the numbers of newspapers in the two cases....)<br>
{{{3 * (60/75) = 3(4/5) = 12/5}}}<br>
ANSWER: 12/5 hours, or 2 2/5 hours, or 2 hours 24 minutes<br>
In common sense ordinary language, 4/5 as many newspapers to deliver means 4/5 as much time is required.<br>