<u>Story Problem</u>
Mr. Bill Gates bought a house in Italy for
and a house in Canada for
. What is the total cost of the two houses?
we know that
The total cost is the sum of the cost each house
so

therefore
the answer is
The total cost is 
Here,a(n) = a + (n-1)d
Here, a = 5, d = 12-5 = 8, a(n) = 181
Substitute this values in to the expression,
181 = 5 + (n-1)8
181-5 = 8n-8
176+8 = 8n
n = 184/8
n = 23
So, it is 23th term of that Arithmetic Progression.
Hope this helps!
Simplifying
y+10+2y+50=180
reorder the terms:
10+50+y+2y=180
combine like terms: 10+50=60
60+y+2y=180
da da da da dah
and you get
y=40 simplifying
Answer:
B
Step-by-step explanation:
Absolute value works like this.
For any number you put inside the absolute value bars, it will always come out positive, so -5 and 5 can work.