Ashort necklace has 32 gold beads and 8 black beads. a long necklace has a total of 60 beads. both necklaces have the same ratio of gold beads to black beads. how many black beads are on the long necklace

Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89