Aconstruction worker is making concrete by mixing sand, gravel, and cement in water. for each pound of sand, he uses 1 2/3 pounds of gravel. for each pound of gravel, he uses 2/5 pound of cement. he is making enough concrete that he needs to use 3 pounds of sand. how many pounds of cement does he use? a. 1 pound b. 1 4/15 pounds c. 2 pounds d. 2 1/15 pounds

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