Multiples of 15 are: 15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240,255,270,285,300,315,330,345,360,375,390,405,420,435,450,465,480,495,510,525,540,555,570,585,600,615,630,645,660,675,690,705,720,735,
<span>Equations: g + b + 0 = 1500 g + 0 + r = 750 g + b + r = 2000 ============ </span><span>g = 250 b = 1250 r = 500 ============ Happy Valentines :)</span>