Question

If 2x = 5, 3y = 4, and 4z = 3, what is the value of 24xyz ?
a.12
b.18
c.36
d.48
e.60

Answer 1

e.60

Answer 2

\[2x \times 3y \times 4z = 5 \times 4 \times 3 \rightarrow 24xyz=60\]
Hence option e is correct

Answer 3

I still don't get why you would assume the equation of 2x x 3y x 4z is pertinent to anything. and what does the 24 have to do with anything. In a standard algebra wouldn't you substitute x=5/2 and y=4/3 and z=3/4 and multiply that all by the 24 to get a number just a little shy of 10?

Answer 4

Since you had to find the value of 24xyz and not of xyz. That's why i multiplies 2x x 3y x 4z
and did not substitute x=5/2 and y=4/3 and z=3/4 in the problem.

Answer 5

Sorry, I'm not getting any logic behind this one.