1. Para sua festa de aniversário, Marina recebeu ¾ do total de convidadas, todas suas amigas. Destas, 1/8 dormiram em sua casa. Qual fração representa a quantidade de convidadas que compareceram à festa e dormiram na casa de Marina? * 1 ponto
a) 1/8
b) 5/8
c) 3/32
d) ¾

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