What is the missing value in the equation 4 2/5 - 3/n = 4 17/24

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

What is the value of x in the this question ?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10