Mia LOVES to help animals and wants to donate money to animals . Her mom says, "The maximum, I'll let you donate is 20 dollars." Mia says, "Fine, I'll donate 19.999 dollars." How much money does Mia have left after her donation?

Could somebody me with this radical simplification?

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

Jenny made a scale drawing of a city. the scale she used was 5 inches = 1 yard. what is the scale factor of the drawing?