trong một quốc gia thuế thu nhập được xác định như sau. thu nhập dưới 10,000 đô la không bị đánh thuế. trên 10,000 đô la đến 20,000 đô la thì chịu thuế 10% trên 20,000 đô la thì chịu thuế 15%. lập hàng thuế thu nhập T theo thu nhập x ( nghìn đô)

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. kevin spins the spinner 180 times. kevin determines about how many times the spinner will land on red or green, and his work is shown below. -kevin has the formula reversed; it should be the total number of sections over the number of red or green sections. -kevin should have used a 4 in the numerator because there are 2 red sections and 2 green sections. -kevin should multiply by the number of sections in the spinner rather than the total number of spins. -kevin calculated the prediction correctly and did not make any mistakes.

How much would it be worth in 5, 10, 20 years