SAT Math Practice: Converting Units Practice 01

1. If the ratio of the sides of two rectangles is 6:7, what is the ratio of the areas of the two rectangles?

2. If the ratio of the sides of two rectangles is 6:7, what is the ratio of the perimeters of the two rectangles?

3. A contractor can add 3 square feet of roofing every minute when building a house. How many minutes will it take him to put up 8,640 square feet of roofing?

4. Jacqueline is painting the walls in her house. Each wall has an area of 750 square feet. Jacqueline can paint 30 square inches per second for a maximum of 6 hours a day. What is the maximum number of walls that Jacqueline can paint in one day?

5. Felipe is from France and he is vacationing in the United States. He bought a souvenir that was listed for $160. The total amount of the purchase in euros was 103.05, which included an 8.5% sales tax on the listed price. What foreign exchange rate, in U.S. dollars per one euro, was applied on this purchase? Round to the nearest hundredth.