9 out of the 15 runners completed the time trial between 52.0 and 53.9 seconds so 9/15 is the percentage you are trying to find. If you divide 9 by 15 and then multiply the decimal by 100, you will have your percentage.
Answer:
31/x
Step-by-step explanation:
im assuming thats a 7*
5 x 10^-2, 50%, 1/3, 0.6
Second option
She can put the rocks into,
2 groups of 19
Or one group of 38.
