Write each rate in lowest terms. 1. Maria reads 15 pages in 10 minutes. 2. A Chevrolet Corvette 206 got 163.4 mi on 8.6 gal of gas. 3. Marty's balances in his investment account changed by -$254 in 4 months. Write a unit rate. 4. It costs $3.90 for 12 oranges. 5. A flight from Dallas to DeMoines travels a distance of 646 miles in 1.4 hours. Round unit rate to the nearest mile per hour. 6. Under normal conditions, 98 inches of snow is equivalent to about 10 inches of rain. 7. A sports drink comes in several size packages. Compute the unit cost per ounce for each option (round to the nearest thousandth of a dollar). Then determine which is the best buy. a. $3.25 for a 64 oz bottle b. $9.59 for eight 20 oz bottles. c. $1.95 for a 32 oz bottle. 8. In Ecuador, roughly 450 out of 500 adults can read. In Brazil, approximately 1700 out of 2000 adults can read. 3. Compute the unit rate for Ecuador (This unit rate is called the literacy rate) b. Compute the unit rate for Brazil. c. Which country has the greater literacy rate