Answer:
3.5
Step-by-step explanation:
First we must know 40 percent is equal to 0.4
Since sales were up 40 percent in addition to the 100 percent it must have originally we can mustiply 300,000 by 1.4,
After doing this operation the correct anser is 420000
Take the length of one side and multiply it by itself and that will be your answer
About 47 inches you have to multiply 15 by pi