Newborn twins fall asleep at 8: 00 p. m. the first twin wakes up every 60 minutes, then goes back to sleep. the second twin wakes up every 80 minutes. how long after 8: 00 p. m. do both twins wake up at the same time?

Acommunity group is building a garden on a rectangular lot of land. the lot measures 5x by 10x and the garden will be circular with a radius of 3x. how much of the land will be left over after the garden is built? a. 41 pi x^2 b. x^2 (50 - 9 pi) c. x^2 (50 - 3 pi) d. 41x^2