Question

If y is dorectly proportional to 1/x and x= 2 when y=20 what is the valu of x and y=1.25?

Answer 1

Answer:

Step-by-step explanation:

y=k/x where k is any constant

20=k/2

So, k=20*2

k=40

y=40/x

1.25=40/x

x=40*1.25

x=25