SOLUTION: My 11 yr. old missed school last week. An example of her worksheet:6/2=15/x . I know x is 5 but i don't know a simple way to put it to her so she can figure it out/get it herself
Question 276062: My 11 yr. old missed school last week. An example of her worksheet:6/2=15/x . I know x is 5 but i don't know a simple way to put it to her so she can figure it out/get it herself. Thanks for any help. P Found 2 solutions by richwmiller, muffin8:Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! 6/2=15/x
there are several ways to figure this
3=15/x
3x=15
x=5
or
6/2=15/x
multiply both sides by x and both sides by 2
6x=15*2
6x=30
x=5
You can put this solution on YOUR website! A way to solve these problems is to remember the following line:
"this times this divided by that."
So...
"This times this" are the two known numbers diagonal from each other:
"..divided by that" is the number that is diagonal from the x:
Check to see if it works: and yes!
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