9.the income ( l ) of a dressmaker earning k pesos per hour varies directly as the number of hours ( h ) she works.

A.H=k l
B.l=h/k
C.l=kh
D.l=k/h

10.the bus travels a distance of d km in t hours . the formula that relates d to t is d=kt . what kind of variation is it ?

a.joint
d.direct
c.inverse
d.combined

( if you don't know plss just go)​