Answer: 3 bottles of sunscreen- $22.5,
2 beach towels- $30
and 3 floats- $30.75
Step-by-step explanation:
Perimeter = 2(width+length) =28
Let x=width of base, then length of base = (28/2)-x = 14-x
Volume of box = length*width*height
=x(14-x)*5 = 5x(14-x)
Hope this helps. I think it's right? haha haven't done this in a while.
Answer:


Step-by-step explanation:
Given


Required
Solve
Substitute
in 

Open bracket

Collect like terms


Divide both sides by 2

Substitute
in 



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