0. Tilly and GiGi require different brands of dog food. Tilly’s food costs $65.00 and GiGi’s food costs $35.00. Tilly’s food comes in a 30lb bag and GiGi’s comes in a 20lb bag. Tilly and GiGi’s owners stocked up on bags of food for the dogs by spending $370 for a total of 170lbs of dog food.

Write a system of equations that best models t, the number of bags of Tilly’s dog food, and g, the number of bags of GiGi’s dog food.

65t+35g=370
30t+20g=170

65t+30g=370
35t+20g=170

t+g=370
65t+35g=370

65t+30g=170
35t+20g=370