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In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exa…

In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exa…
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In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

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User Max Bumaye
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Andrew must get a 74 for his average to be at 70 percent. you can plug and chug in your calculator or use an equation like this one (64+69+73+x)/4=70 ; solve for x and your number should be 74
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User Timur Mingulov
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