1. y is inversely proportional to x. Given that x = 5 when y = 3. a) show y=15/x
b) find y when x=45.

a)

Step-by-step explanation:

Y=k/x(1)

Put y and x in (1) to get:

3=k/5

K=15

Now put k=15 in (1):

Y=15/x

b)

Y=k/x as x=45

Y=15/45

Y=1/3

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