You set it up like a proportion. X/55=80/100 You multiply the numbers on both diagnols. 4400=100x Then you divide by 100 to get X on it's own you get X=44.
You set it up like a proportion. X/55=80/100 You multiply the numbers on both diagnols. 4400=100x Then you divide by 100 to get X on it's own you get X=44.
