Because that is what everyone assumes it to be. So , if it is one, you are just making yourself do more work by making a kind of useless key.
In order to compare you must multiply the the bottom two by each other and then multiply the top one by the same number you multiplied the bottom one by. The answer is not equal because the first fraction is 6/15 and the second is 5/12.
Answer:
24 in long by 12 in wide.
Step-by-step explanation:
l=2w
288=(2w)×w
288=2w^2
144=w^2
12=w
width is 12 inches. Plug that in to find length...
l=2×12
l=24