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Guys help please!! Just 1 Algebra 2 question?

Suppose that r varies directly with s and inversely with t, and r=2 when s=3 and t=12. What is the value of r when s=5 and t=4?

1 Answers

r = As/tWe have to solve for A first. rt/s = A(12 x 2)/3 = 8Now we can relate the 3 by r = 8s/tr = (8 x 5)/4r = 10... Show More

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