Why do you multiply 12 by 3 to find the total number cubes in the bottom 3 layers

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

The solution set for 5v2 – 125 = 0 is

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