Wt. f I just got banned with no warnings what

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer