SOLUTION: your teacher wants to see if you can guess your two quiz grades. she tells you that the second quiz grade is 21 points higher than the first quiz grade. She also tells you that twi
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Question 1005066: your teacher wants to see if you can guess your two quiz grades. she tells you that the second quiz grade is 21 points higher than the first quiz grade. She also tells you that twice the first quiz grade is 57 points more than the second quiz grade. what were your two quiz grades?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Solve the 2X2 system for 
and 
John
My calculator said it, I believe it, that settles it
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