Respuesta :

Answer:

12

Step-by-step explanation:

let the big number be x, and small number be y

x + y = 60. ...(1)

x = 4y. ...(2)

now, put x in eq. 1

4y + y = 60

5y = 60

y = 60/5

y =12

thus, the smallest number is 12

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