It's not any different from a regular unknown area problem, my friend.
It all depends on the figure, but let's take a square in this example.
You simply count up the units, and multiply length by width.
Answer:
Step-by-step explanation:
4*(-2)-3
-8-3
-11
Answer:
Step-by-step explanation:
90
Rachel fills 13 water bottles per hour, so she contributes 13R. Alyssa fills 15 bottles an hour, so she contributes 15A, plus 5 for the additional water bottles filled. Thus, the full expression is:
13R+15A+5
