A city charges a 25% yearly interest rate for late tax payments. The equation represents the total amount of tax and interest on an original tax amount of $1,600 after late weeks. What is the value of b rounded to four decimal places?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125