Can you explain me this 3rd. grade problem? i know is 8 and 2, but how can i find the 'pattern'. you. "marvin find doubles facts, such as 4+4 and 1+1, on the addition table. he colors each sum. what pattern does marvin make when he colors the sums of the double facts? "

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