Posted by Lisa on Thursday, October 1, 2009 at 2:25pm.
Can you please look over these and let me know if they are right?
1/4(5x1/2)5/3<1/3
5/4x1/85/3<1/3
24(5/4x1/85/3)<24(1/3)
30x340<8
30x43+43<8+43
30x<51
x<51/30
{xx<51/30}
31(2x+2)< or equal to 4(x+1)+x
312x2< equal to 4x+4+x
292x<equal to 5x+4
2x<equal to 5x25
7x<equal to 25
{xx>equal to 3.6}
Use elimination method: 4x+5y=12 and 7x5y=76 I got x=8 and y=4
elimination: 0.3x0.2y=4 and 0.4x+0.5y=1 I got the solution of (220/23,130/23)

Algebra help/ look over please  bobpursley, Thursday, October 1, 2009 at 3:01pm
correct on all.
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