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The number of adult passengers on a bus (excluding the driver) is three times the number of children. If there are a adult passengers on the bus, which expression shows the total number of people on the
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The number of adult passengers on a bus (excluding the driver) is three times the number of children. If there are a adult passengers on the bus, which expression shows the total number of people on the bus, including the driver? A. 1/3a+a+1. B.3a+a+1. C. 3a+a-1. D.1/3a+a+1

User BASILIO
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C because you need to multiply the adults by 3 to know how many children there are and then you need to exclude the driver which is a-1 meaning taking out 1 adult.
User Bugzy
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