Let the score on her seventh test be "x".
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
The length of a rectangle is 4 meters less than twice it's width. the area of the rectangle 70 find the dimensions of the rectan
1 answer:
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