I hope this helps you
x.3x+x.(-1)+5.3x+5.(-1)-(x^2-2.4.x+16)
3x^2-x+15x-5-x^2+8x-16
2x^2+22x-21
Putting the value of Y = 15
So, X = 200
One day has 24 hours.
One hour has 60 minutes.
One day has 24 x 60 = 1440 minutes.
1 yard is 3 feet.
150 yards x 3 = 450 feet.
150 yards per minute = 450 feet per minute.
450 x 1440 = 648,000 feet per day.
Zina, weldon, delia, leisha, bento, charlotte
