y = total cost used.
x = additional minutes
y = $49.95 + $0.15x
$61.20 = $49.95 + $0.15x. Subtract the $49.95 from each side.
$11.25 = $0.15x. Divide each side by $0.15
75 = x.
Michael used 75 additional minutes.
Answer:
y = -5x + 4
Step-by-step explanation:
y=Mx+b
Approximately 1.143 L of peroxide should be added to the original solution.
So a going a whole circle around is 180 so if it goes 1/4 of it, it will be 720
I'm not sure how to write the rule, but every time you add one more to the sum of the last two. First, you add 1, then 2, then 3. 1+1=2 2+2=4 4+3=7 7+4=11 and so on. I hope this helps!