Thursday

February 11, 2016
Posted by **Anonymous** on Saturday, October 29, 2011 at 2:08pm.

- alberga -
**ABC123DOREMI**, Saturday, October 29, 2011 at 2:31pm3r-5s= -4

5r+3s= 16

Multiply the 1st equation by 5 and the second by 3...

15r-25s= -20

15r+9s=48

Subtract both

-34s= -68

divide by -34

s=2

substitute

3r-10= -4

3r=6

r=2

- alberga -
**oscar**, Tuesday, February 28, 2012 at 5:44pmsixty is 5/6 of what number

- alberga -
**JOE**, Sunday, December 16, 2012 at 11:59am60*6

DUH!