Answer:
Step-by-step explanation:
You have to set each runner's plan equal to each other because they are equal in the end. You start with 7 miles for Angelo and 4 miles for Marc.
x is a variable that is multiplied by the number of weeks it takes for both runners' distances to be equal. So multiply x by the miles increased every week.
Marc = Angelo
2x + 4 = x + 7
x = 3
In 3 weeks each runner will run 10 miles for the week.
#7 is A
For # 5 & 6 is there a multiplication sign between the numbers or is supposed to be a power or something else?
4 (k-6)-(3k+2)=-5
4k-24-3k-2=-5
k-26=-5
k=21
