What is the least common multiple of3 and 9

3/8 of the students in ms. mull’s class ride the bus. if there are 24 students in the class, how many students ride the bus?

Abacteria population of doubles in size every 5 hours . after 5 hours , the sample contains 2,000 bactria . which equation best models y, the population size after x hours ?

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.