Sal makes a 10% commission on the first $5000 of sales and 15% on any sales over $5000. find his total graduated commission on $15000 in sales

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x