An example is n+2 (n being number).
0,2,4,6,8,10...
Answer: 
Step-by-step explanation:
<u>Given information</u>
Height = 2 m
Base = 5 m
Length = 15 m
<u>Given the formula for Triangular Prism Volume</u>


<u>Substitute values into the formula</u>

<u>Simplify by multiplication</u>


Hope this helps!! :)
Please let me know if you have any questions
-x+5y=20
5y=x+20
12y=2x+60
6y=x+40
x+20+y=x+40
-x from each side:
20+y=40
-20 from each side:
y=20
-x+5*20=20
-x+100=20
-100 from each side:
-x=-80
x=80
y=20
x=80
Hope this helps :)
Answer:
£70
Step-by-step explanation:
There are ten people and each person pays £56 so the total cost will be 10x£56 = £560
The boat will be hired out for the same price (£560) and there are eight people this time, so £560 divided by 8 = £70. This means each person will pay £70.