Question: Suppose your math grade is based on the results of two tests and one final exam. Each test is worth 30% of your grade and

Suppose your math grade is based on the results of two tests and one final exam. Each test is worth 30% of your grade and the final exam is worth 40%. If you scored 60% and 50% on your two tests, what mark must you score on the final exam to achieve a grade of 70%?

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