SOLUTION: The average (arithmetic mean) of a, b, c and d is n. If a + b = 150, what is c + d ? A) a + b + c B) a + b + n C) 4n – 150 D) 4n + 150 E) 4n – 100

Algebra.Com
Question 252679: The average (arithmetic mean) of a, b, c and d is n. If a + b = 150,
what is c + d ?
A) a + b + c B) a + b + n C) 4n – 150 D) 4n + 150 E) 4n – 100

Answer by palanisamy(496)   (Show Source): You can put this solution on YOUR website!
Given, the average (arithmetic mean) of a, b, c and d is n
(a+b+c+d)/4 = n
If a+b = 150, then
(150+c+d) = 4n
c+d = 4n-150

RELATED QUESTIONS

If 4n=3.60, which is the value of the n. Exsamples A.0.09 B.0.9 C.9 D.90. (answered by stanbon)
an expression for the product of an even integer and an odd integer is: A) n^2 B) 4n^2... (answered by stanbon,Edwin McCravy)
the sum of n terms of 1²/1 + (1²+2²)/2 + (1²+2²+3²)/3+.......is a)(n/36)(4n²+15n+17) b)... (answered by Edwin McCravy)
if n is a positive number,which of the following is equal to 8n ? (A) sqrt(64n) (B)... (answered by Edwin McCravy)
A rectangle has a width of n units. Its length is 4 units longer than the width. What is... (answered by jim_thompson5910)
If n is a negative integers, which statement is always true? a) 6n^-2 <4n^-1 b) n/4 >... (answered by Boreal)
In the following expression which item is the coefficient? 4n + 12 * 8 a 12 b... (answered by KMST)
solve: n/n - 4 + n = 12 - 4n/n - 4 a. -4,3 b. -3,4 c. -4 d.... (answered by checkley77)
Solve 5n+8-9n=10-4n+8. Tell whether the equation has infinitely many solutions or no... (answered by Alan3354)