Based on the speed of the cargo truck and the distance to be travelled, the minimum number of hours is 10.5 hours and the maximum number of hours is 12.2 hours.
The minimum number of miles the truck will travel is:
= 840 - 105
= 735 miles
The number of hours it will travel here are:
= 735 / 70
= 10.5 hours
The maximum number of miles the truck will travel is:
= 840 + 105
= 855 miles
The number of hours travelled will be:
= 855 / 70
= 12.2 hours
The minimum hours to be travelled are 10.5 hours and the maximum is 12.2 hours.
Find out more on problems on solving for time travelled at https://brainly.com/question/17146782.
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