Let x be the number of days.
If Ashley posts 17 status updates each day, then after x days Ashley posts 17x status updates.
If Roberto posts 21 status updates each day, then after x days Roberto posts 21x status updates.
Part A. The combined number of posts for Ashley and Roberto after x days is:
17x+21x.
Part B. The difference between number of posts for Ashley and Roberto after x days is:
21x-17x.
Answer:
1/8
Step-by-step explanation:
yay
The subtracton property of equality allows you to subtract the same amount from both sides of an equation without changing the truth of the equation.
that's the solution of the system
