Asked by sweets

Use an equality
One side of a rectangle is 12 inches and the other is x. What value of x will make the perimeter at most 44 inches.
Answered by sweets
if the formula P-0.5643y - 1092.57 can be used to predict average price of a theater ticket after 1945. For what years will the average ticket price be atleast $47.00 = y is the actual year?
Answered by MathMate
Perimeter = 2(length+width)
If length=12 inches, width=x inches,
then
Perimeter = 2(12+x)
For perimeter≤44 inches,
we substitute perimeter by its expression
2(12+x) ≤44
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