Answer:

Step-by-step explanation:

Swap sides:

Multiply to both sides by 6:

Group like terms:

Simplify the fraction:

Multiply the fractions

Simplify the arithmetic:

Your answer would be X=8 and Y=11.
Answer:
The person has a speed of 12 miles per hour.
Step-by-step explanation:
The ratio is 12 miles to 1 hour.
This means, that in every hour, the person can move 12 miles and has a speed of 12 miles per hour.
The 100th term would be 505.