Investors buy a studio apartment for 200,000. Of this​ amount, they have a down payment of 50,000. Their down payment is what percent of the purchase​ price? What percent of the purchase price would a ​$90,000 down payment​ be?

Find the solution of system of equation y= x-4 y=4x+2

One integer is 5 more than another. their product is 104. find the integers

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed