PrepTest 60, Section 1, Question 13
Over the course of one day, a landscaper will use a truck to haul exactly seven loads�three loads of mulch and four loads of stone. The truck's cargo bed will be cleaned in between carrying any two loads of different materials. To meet the landscaper's needs as efficiently as possible, the following constraints apply:
Over the course of one day, a landscaper will use a truck to haul exactly seven loads�three loads of mulch and four loads of stone. The truck's cargo bed will be cleaned in between carrying any two loads of different materials. To meet the landscaper's needs as efficiently as possible, the following constraints apply:
Over the course of one day, a landscaper will use a truck to haul exactly seven loads�three loads of mulch and four loads of stone. The truck's cargo bed will be cleaned in between carrying any two loads of different materials. To meet the landscaper's needs as efficiently as possible, the following constraints apply:
Over the course of one day, a landscaper will use a truck to haul exactly seven loads�three loads of mulch and four loads of stone. The truck's cargo bed will be cleaned in between carrying any two loads of different materials. To meet the landscaper's needs as efficiently as possible, the following constraints apply:
The cargo bed cannot be cleaned more than three times.
The fifth load must be mulch.
Which one of the following is a pair of loads that can both be mulch?
the first and the third
the second and the third
the second and the sixth
the third and the sixth
the fourth and the sixth
Explanations
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