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%
grants plans to a factory enough water from 22 gallons in a 16% ammonia solution to make a 24% solution which equation can be us
1 answer:
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