Question: for every hour Lee studies mathematics he increases his next mathematics test score by 9 points. Let this number of hours equal x. If Lee

for every hour Lee studies mathematics he increases his next mathematics test score by 9 points. Let this number of hours equal x. If Lee improves his understanding of mathematics then he also improves his understanding of science, so for every hour he studies science he increases his next science test score by 8+x points.

Lee has tests in both subjects tomorrow, but he only has three hours to study for them. For how long should he study each subject in order to maximise the sum of his. test scores?

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