 
 <prompt> E take Emmalyn and her research team, the Polar Bears, 30 minutes to fully navigate around a volcanic island. On Saturday, dem decide to start by rounding the island once. Dem come regroup and plan out the rest of their weekend research schedule. Dem finish 10 more rounds that day before dem go house. When dem come on Sunday, dem fit complete 15 rounds. Calculate the total time, in minutes, wey the Polar Bears spend circling the island over that weekend. <response>: ```On di first day, dem start dey do one round of 30 minutes.
Di team do ten more rounds on day one wey take 10*30 = 300 minutes.
Di total time wey dem take dey go round di land on di first day na 300+30 = 330 minutes.
On di second day, dem do 15 rounds, wey take 30 minutes each, wey give 15*30 = 450 minutes.
Di total number of rounds wey dem do na 330+450 = 780 minutes.

Answer na 780.``` 