7.4-38 the odds in favor of a horse winning a race are posted as 8: 7. find the probability that the horse willl win the race. o a. 7 8 o b. 15 o c. 1 2 o d. 8 15 7 n

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.