Question

if z is directly propotional to x and z=12 when x=3 find the value of x when z =18

Answer 1

Answer:

the value of x will be 4.5

Step-by-step explanation:

z x

_ _

12 3

18 x

on cross multiplying ,

12x=3×18

x = 3×18 /12

×= 1×18 / 4

x= 1× 9 /2

x= 9/2

x= 4.5