There is a system glitch during the process of adding my answer here so i create a document file for the answer, you find it in the attachment below.
Answer:
137 races
Step-by-step explanation:
822/6=137
so if there was 822 people and the limit for the races were 6 people, there would have to be 137 races for all the people.
Answer:
(-2.2,-3)
Step-by-step explanation:
2x/5+y=3
2x/5=3-y
2x=(3-y)•5
2x=5(3-y)
X=5(3-y)/2