During snowstorms, the city sends out trucks to plow. The amount of snowfall and the number of trucks sent out are shown in the table. PART A Is the relationship between the amount of snowfall and the number of trucks proportional? Explain. Snow Plowing Plan Snowfall (in.) Trucks 6 8 12 18 15 20 30 45 PART B For a 23-inch snowfall, how many trucks would the city send out? Explain.