A car manufacturer produces three models of trucksand the average gas mileage of the three models must be at least 21 mpg. Create an inequality to determine what the third model must get, if the first two models get 17 mpg and 19 mpg. Solve the inequality by showing and explaining each of your steps.

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step