Investors buy a studio apartment for $ 200,000. of this amount, they have a down payment of $ 40,000. their down payment is what percent of the purchase price? what percent of the purchase price would a $90,000 down payment be?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points