Answer:
$1440
Explanation:
From the above question:
We know that the rate is
1250 ft² = $600
3000 ft² = x
Cross Multiply
1250ft² × x = 3000ft² × $600
x = 3000ft² × $600/1250ft²
x = $1440
Therefore, at the same rate, the cost of an office with an area of 3000 square feet is $1440