<h3><u>Dave is 96 years old.</u></h3><h3><u>Jim is 32 years old.</u></h3><h3><u>Bill is 64 years old.</u></h3>
d = 3j
j = 1/2b
64 = (d + j + b)/3
d = 3(1/2b)
d = 1.5b
64 = (1.5b + 1/2b + b)/3
Combine like terms.
64 = (3b)/3
Multiply both sides by 3.
192 = 3b
Divide both sides by 3.
64 = b
Because we have the value for b we can plug it into the other equations to solve for the other ages.
j = 1/2b
j = 1/2(64)
j = 32
d = 3j
d = 3(32)
d = 96
Answer:
x=10
Step-by-step explanation:
(4/3) * ( x + 8) = 24
24-8 is 8
18-8 is 10
That gets you x=10.
Answer:
Step-by-step explanation:
-x/4 <7
Multipy both sides by 4
4 (- x /4 ) < 7 . 4
Simplify
- x < 28
Multiply both sides by - 1 ( inverse the inequality)
( -x ) ( -1 ) > 28 ( -1 )
Simplify
x > - 28 Answer D
Answer:
It's B
... because if you evaluate it it'll be 9x - 6xy, and 2xy + 2x^2
-6xy and 2xy are like terms
