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.
This is the measure of perimeter. P = 2l + 2w. P = 2(75.4) + 2(50.8) That tells us that we have to buy 252.4 feet of fencing.
Answer:
x=7/2
Step-by-step explanation: