Mathematics, 25.01.2020 04:31 superfly903

Solve for 7,8,& 9. show your work

7. suppose y varies directly as x. if y=3 when x=15, then find x when y = 5.
8. suppose y varies directly as x. find x when y =10 if y=-7 when x=-14.
9.suppose y varies directly as x. if x=15 when y=12, find x when y=21.

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Solve for 7,8,& 9. show your work

7. suppose y varies directly as x. if y=3 when x=15...