Camilla makes and sells jewelry. she has 8,160 silver beads and 2,880 black beads to make necklaces. each necklace will contain 85 silver beads and 30 black beads. how many necklaces can she make?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.