Difference between revisions of "1959 AHSME Problems/Problem 20"
(Created page with "It is given that <math>x</math> varies directly as <math>y</math> and inversely as the square of <math>z</math>, and that <math>x=10</math> when <math>y=4</math> and <math>z=1...") |
(No difference)
|
Revision as of 18:28, 8 July 2023
It is given that varies directly as
and inversely as the square of
, and that
when
and
. Then, when
and
,
equals:
Solution 1:
varies directly to
(The inverse variation of y and the square of z)
We can write the expression
Now we plug in the values of when
and
.
This gives us
We can use this to find the value of when
and
Simplifying this we get,
$\box B) 160$ (Error compiling LaTeX. Unknown error_msg)