Homework Help: Math

Posted by Anonymous on Monday, October 1, 2007 at 6:10pm.

1. I did it this way, but it doesn't check right

2(10-y)=30
_ _
2 2
(10-y)=15
+10 +10
y = 25

Check: 2 (10-15) = 30
-30 is not equal to 30!!!

Math - DrBob222, Monday, October 1, 2007 at 6:13pm
You need to clarify. Use parenthese; I can't tell where the dividion takes place from your post.
Math - elise, Monday, October 1, 2007 at 7:12pm
Well y = to 15 right? 2(15-10)= 18?

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