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c is directly proportional to d such that
C = 1.5d
(a) Find c when d = 12
(b) Find d when c = 15​


Sagot :

Answer:

we have

C = 1.5d

or

d=C/1.5

Step-by-step explanation:

when d is 12

C=1.5×12=18

when c=15

d=15/1.5=10