There are 20 people competing in a contest, first place earns $100, second place earns $50 and third place earns $25. how many ways can the three winners be selected?

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game