Entries by Hannah Wangui

Many printed airline tickets contain a 10-digit document number

Question Many printed airline tickets contain a 10-digit document number followed by a check digit. The check digit is chosen to be the sum of the first 10 digits mod 7. Determine whether the given number is a valid document number. 8434649758 2 valid invalid   Looking for a Similar Assignment? Order now and Get […]

 

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A survey of 1600 commuters in New York

Question A survey of 1600 commuters in New York City showed that 1190 take the subway, 630 take the bus, and 170 do not take either the bus or the subway. (a) How many commuters take both the bus and the subway? ______ commuters (b) How many commuters take only the subway? ______ commuters   Looking for a Similar Assignment? Order now and Get 10% […]

 

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