A project on Kickstarter.com was aiming to raise $15000 for a precision coffee press. They ended up with 714 supporters, raising
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Answer:
Step-by-step explanation:
The comma is important here, otherwise "one third of a number n minus 7" is
Let the length of the square base be x inches .
And the height of the box be y inch .
Volume = x*x*y
4000 = x *x *y
S = x*x + 2xy + 2 x y
S ' =0
x = 20