The maximum possible volume of this type of box that can be made from a 20 cm by 20 cm square of paper is 512cm³.
<h3>How to calculate the volume?</h3>
From the information, when the side of 1cm are cut, this will become an open box. The volume will be:
= 18 × 18 × 1
= 324cm³
Also, when 2cm is cut, the volume will be:
= 16 × 16 × 2
= 512cm³
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3/x=5/y multiply both sides by y
3y/x=5 divide both sides by 3
y/x=5/3
90 x .80= 72. 72 Students like hot choco, therefore 8 do no like hot choco
If you covert it to 18/30 then it is much simpler yet if you still need help then read on
4/30
Length of the outer frame: 4+2x
width of the outer frame: 3+2x
area of the outframe: (4+2x)(3+2x)=15
expand the equation: 12+8x+6x+12x^2=15
combine like terms: 4x^2+14x-3=0