Elena finds that the area of a house on a scale drawing is 25 square inches. The actual area of the house is 2,025 square feet. What is the scale of the drawing?

Which of these scales are equivalent to 3 cm to 4 km? Select all that apply. Recall that 1 inch is 2.54 centimeters.

These two triangles are scaled copies of one another. The area of the smaller triangle is 9 square units. What is the area of the larger triangle? Explain or show how you know.

Water costs $1.25 per bottle. At this rate, what is the cost of:

1. 10 bottles?

2. 20 bottles?

3. 50 bottles?

The first row of the table shows the amount of dish detergent and water needed to make a soap solution.