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The numbers x, y and z are respectively ...

The numbers x, y and z are respectively proportional to 2,3 and 5 and the sum of x, y and z Is 80. If the number z is given by the equation z = ax- 8, then a is:

A

6

B

`3/2`

C

3

D

`5/2`

Text Solution

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The correct Answer is:
C
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