3. Express 4.315656565656... in p/q form.
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Let x = 4.31565656...
multiply 100 both sides
100x = 431.565656..... ...(I)
10000x = 43156.565656....... (II)
Subtract I from II
10000x - 100x = 43156.565656.. - 431.5656...
9900x = 42725
x= 42725
9900
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