Respuesta :

Answer:

You could explain by saying you are using a number or N and estimate the difference between 106 and 51 in which this case is 55. This would be 106 + N(55)= 106.

Answer:

You woulod round 106 to 100 and 51 to 50 then subract 100-50=50          N= around 50

Step-by-step explanation:

One hundred and six minus fifty-one equals fifity-five

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