Use system of equations for the problem: Kathy has two cats, Miso and Nori. Together they weigh 18 lbs. Miso’s weight is 3 lbs more thsn half of Use system of equations for the problem:Kathy has two cats, Miso and Nori. Together they weigh 18 lbs. Miso’s weight is 3 lbs more thsn half of Nori’s weight. How much does each cat weigh? Thank you! I suck at writing equations from a word...