Answer:
The surface area of the pentagonal prism is equal to 648 square inches
Step-by-step explanation:
we know that
The surface area of the pentagonal prism is equal to the area of the base and the top plus the lateral area
so
where
B is the area of the pentagonal base
LA is the lateral area (area of 5 equal-sized rectangles)
Answer:
$13.
Step-by-step explanation:
Let x represent money that Alison has.
We have been given that Leo has 7 times as much money as Alison had. So the amount of money that Leo has, would be .
We are also told that Leo had $91, so we will equate with 91 and solve for x as:
To solve for x, we will divide both sides by 7:
Therefore, Alison has $13.