Question 1062564
x = the number


(x/4)(x/5) = 500   {product of 1/4 and 1/5 of a number is 500}
x²/20 = 500   {multiplied}
x² = 10,000   {multiplied each side by 20}
x = 100 or -100 {took the square root of each side}


the number could be 100 or -100

<br>For more help from me, visit: <a href = "http://www.algebrahouse.com/" target = "_blank">www.algebrahouse.com</a><br><br><br>