Daveedwardlumbayid
Answered

if y=40 and varies directly x=2 what is x if y=20

Sagot :

y = kx

40 = k(2)

40 = k(2)
 2      2 

20 = k, the constant of variation

If y=20, what is x
20= 20 x

20 = 20x
20    20

x = 1, final answer