Any linear equation can be written as
y = mx+b
where m is the slope and b is the y intercept
m = 1/2 in this case. It represents the idea that the snow fell at a rate of 1/2 inch per hour. In other words, the snow level went up 1/2 an inch each time an hour passed by.
b = 8 is the y intercept. It's the starting amount of snow. We start off with 8 inches of snow already.
The info "snow fell for 9 hours" doesn't appear to be relevant here.
The answer would be -1 1/6. Hope this helps!
Problem
500 students wore blue and 300 students did not. What percent of all the students attending the game wore blue?
Result
62.5% of all the students attending the game wore blue.
Solution
We can calculate the percent of students wearing blue, after finding the total amont of students, using division and multiplication.
Let's add
500 + 300 = 800
Let's divide
800/500 = 0.625
Let's multiply
0.625 · 100 = 62.5