inequality question for my homework

Mathematics
Tutor: None Selected Time limit: 1 Day

look at this set of numbers and this inequality { 6, 7, 8, 9 }       3x(   +8)>48          which of the following list all numbers from the set that make this inequality true

May 16th, 2015

3x( x+8)>48

( x +8)>48/3

(  x +8)>16

x>16-8

x>8

so the answer is 8. 


May 16th, 2015

but im trying to figure out wich numbers go in the middle of the space i put between the +8

May 17th, 2015

the number is 9, because 9>8

May 17th, 2015

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May 16th, 2015
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May 16th, 2015
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