Question

A contractor does a renovation on an 1800 square foot house, and the renovation increases the square footage by 25%. How many square feet does the renovated house have?

Answer 1

$\frac{25}{100} \times 1800 \\ = 25 \times 18 \\ = 450 \\ so \: total \: area \\ = 1800 + 450 \\ = 2250 \: sqr \: ft$
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Answer 2

Answer:

2250 sq.foot area

Step-by-step explanation:

Area of House = 1800 sq.foot.

The renovation increases the square footage by 25%.

Increased area = $25\% \times 1800 = \frac{25}{100}\times 1800 = 450$

So,  the renovated house have area =  1800 + 450 = 2250 sq.foot

Hence the renovated house have 2250 sq.foot area