SOLUTION: Please help me solve this problem: 9/10=k+7/10 Thanks, Amy

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Question 129021: Please help me solve this problem:
9/10=k+7/10
Thanks,
Amy
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
9/10=k+7/10 then
9/10-7/10=k then
2/10=k then k=1/5
R: k=1/5