x varies directly as p. If x = 48 when p = 8, find x when p is 15.
A) $x = \frac { 2 } { 5 }$
B) $x = \frac { 1 } { 90 }$
C) $x = \frac { 5 } { 2 }$
D) $x = 90$

Question

x varies directly as p. If x = 48 when p = 8, find x when p is 15. 
A) $x = \frac { 2 } { 5 }$
B) $x = \frac { 1 } { 90 }$
C) $x = \frac { 5 } { 2 }$
D) $x = 90$

Quizplus · Accepted Answer

The relationship between x and p is given by $x = kp$, where k is the constant of variation. From $x = 48$ when $p = 8$, we find $k = 48 / 8 = 6$. For $p = 15$, $x = 6 \times 15 = 90$.

X Varies Directly as P x=25x = \frac { 2 } { 5 }x=52​

X Varies Directly as P $x = \frac { 2 } { 5 }$