How do I find 75% of 400
2 answers:
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Answer:
2/5
Step-by-step explanation:
first, we convert the mixed fractions to improper fractions,
so then we find what
=
and that equals , which equals
. We can simplify that to 2/5
Answer:
Step-by-step explanation:
The surface area of a cube-shaped box with a side of m feet is given by the function:
The cost, C, in dollars, of wrapping a box with a surface area of x square feet is given by the function:
We want to find an explicit expression that models the costs of wrapping a cube-shaped box with a side length of m feet.
In the cost function, C(x), x is the surface area, therefore:
To find the cost of wrapping a cube of side length m feet, we use the explicit function: