Answer:
337.5 and also 202.5
Step-by-step explanation:
do 8x = 540 since 5 and 3 are in a ratio... so you get 5x plus 3x. Then you solve for x and get 67.5..67.5 times 3 is 202.5 and 67.5 times 5 is 337.5.
Answer:

Step-by-step explanation:

If it can run 13 feet in one second, then multiply 13 times 3. He will run 39 feet in 3 seconds.
I believe the answer would be 16/49.