225% of 300 would be 600 for 200% and 10% of 300 would be 30 therefore 20% would be 60. Half of 30% would be 15%. 600 (200%) + 60 (20%) + 15 (5%) = 675 (225%) of 300.

200 yds x 3 feet = 600 feet 3 feet/1 yd If you want to change the 3 to a 600 (so you have 600 ft), you need to multiply 3 x 200. This equals 600 feet. -OR- 600 feet / 3 feet= 200 yds AY YAY YAY!

To find 180 percent of a number, multiply the number by 1.8. In this instance, 180 percent of 600 is equal to 600 x 1.8 = 1080. Therefore, 180 percent of 600 is equal to 1080.