Answer:
113
Step-by-step explanation:
96+17=113
180-113=67
67+x=180
x=180-67
x=113
The equation is 138=300-3x
now solve by first subtracting 300 from each side: -162=-3x
divide each side by -3: x=54
The wise man is 54 years old
Number D is the correct answer I think
Answer:
f(x)
Step-by-step explanation:
f(x)=x-1/x+5
y=x-1/x+5
xy+5y=x-1
xy-x=-1-5y
x(y-1)=1-5y
x=-1-5y/y-1
x=-5
(Credit to guy/girl above) 63 miles 10 1/2 x 6 is 63.
