Find the area of a rectangular window measuring 3/4 meter by 5/8 meter

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?