Answer:
The explanation in the procedure
Step-by-step explanation:
we know that
In this problem is correct to use the measurement 
instead of 
because
therefore
First: work out the difference (decrease) between the two numbers you are comparing. Then divide the decrease by the original number and multiply the answer by 100. If your answer is a negative number, then this is a percentage increase. :)
Answer:
Step-by-step explanation:
So the distance that he ran is 30 yards since he ran from the 10 to 40 yard line. making it 30 yards. It is then said he ran this in 10 seconds
Now all you have to do is divide 30yards by 10seconds to see how many yards he ran in a sec. Dividing it you get 3 yards per second
Answer:
320
Step-by-step explanation:
Because this value is only 40%, we multiply by 160% to get its original value
