The architects of a certain type of building estimate construction costs to be $2.0 million per floor for each of the first 5 floors, $2.5 million per floor for each of the next 3 floors, and $3.5 million per floor for any additional floors. what would the architects estimate the construction costs to be for a building of this type with 10 floors? a. $23.0 millionb. $23.5 millionc. $24.0 milliond. $24.5 millione. $25.0 million

D.

Step-by-step explanation:

Firstly, we should know that there are 10 floors.

For the first five, total cost = 2.0 × 5 = 10 million usd.

Now, each of the next three floor costs 3.5 million usd, total cost here = 2.5 × 3 = 7.5 million usd

Lastly, each additional floor costs 3.5 million usd. There are only two additional floors. Their costs is 3.5 × 2 = 7 million.

Total costs = 10 + 7.5 + 7 = $24.5 million usd.

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step-by-step explanation: