You have $25 to spend on picking 21 pounds of three different types of apples in an orchard. the empire apples cost $1.40 a
pound, the red delicious apples cost $1.10 per pound, and the golden delicious apples cost $1.30 per pound. you want to buy
twice as many red delicious apples as the other two types combined. how many pounds of each apple should you buy?

Joyce deposited $5000 in an account with an annual interest rate of 6%, compounded annually. how much money will be in the account 10 years later

Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation