Mrs. Hart asked her class "How many groups of 2/3 are in 7?" Hanna answered "There are 5 and 1/2 groups of 2/3 in 7" Do you agree or disagree with Hanna? Be sure to explain your answer

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x