Yhel111id
Answered

if c varies directly as a and inversely as b, and if c=6 when a=3 and b=4. Find c when a=9 and b=12

Sagot :

JthanSCOUTid
c=ka/b
(where k is the constant of variation)
6=3k/4
24=3k
k=8

c=9(8)/12
c=72/12
c=6