A hotel manager is adding a tile border around the hotel's rectangular pool. let n represent the width of the pool, in feet. t
he length is 5 more than 2 times the width, as shown. Write two expressions that represent the perimeter of the pool.
1 answer:
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For this case we have the following variables:
x: the number of minutes of television Sam watched each day
y: the number of minutes she spent exercising
Then, we have the following function that models the problem:
if she spends 30 minutes watching television we have x = 30.
Substituting in the given equation we have:
Answer:
the best prediction for the number of minutes of exercising Sam will do if she spends 30 minutes watching television that day is:
72 minutes