~Please help as soon as possible~
**only answer if you know for sure**

A veterinarian uses a table to determine the amount of med. to give a dog. He determines the table shows a direct variation between the amount of med. and the weight of the dog. The table prescribes a 12 pound dog be given 40 milligrams of med. How much med. should the doctor give a 60-pound dog?
140 mg
180 mg
200 mg
Not here
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When 10 quarts of water was added to an empty aquarium, the weight of the aquarium increased 20 pounds. The aquarium hold 35 quarts of water when filled to capacity. If the weight of the water varies directly with the number of quarts used, about how much will the water in the aquarium weigh when its fillled to capacity?
40 pounds
50 pounds
60 pounds
70 pounds
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The amount of money Debbie earns varies directly with the number of hours she works. If she earns $600 when she works 40 hours, how much will she earn for working 85 hours?