x + y = 53
x -y = 9 Adding both equations
2x = 62
x = 31 y = 22
Answer:
5n
Step-by-step explanation:
Summarizing what we know:
Casey has n nickels, and Meghan 4 times as many: 4n
Then the total number of nickets these two people have is n + 4n, or 5n.
Answer:
269.6 square centimeters
Step-by-step explanation:
<u><em>The correct question is</em></u>
The diagram shows the net of a juice box. the box is a rectangular prism. what is the surface area of the juice box? 6.4 cm 4 cm 10.5 cm
we know that
The surface area of a rectangular prism is equal to

where
B is the area of the base
P is the perimeter of the base
H is the height of the prism
we have

<em>Find the area of the base B</em>

substitute the given values

<em>Find the perimeter of the base P</em>

substitute the given values

<em>Find the surface area</em>

substitute

Answer:
its 2/5
Step-by-step explanation: