Which is a reasonable estimate of the constant of variation? 0.25 kWh per day
0.50 kWh per day
2.40 kWh per day
4.00 kWh per day

Each weekday davina rides her bike from her house to school. after school, she rides to the library. then davina takes the same route to get home. these locations are shown on the grid below, where 1 unit on the grid represents 1 kilometer. how many kilometers does she ride each day? 10 16 20 32