Respuesta :

ANSWER

[tex]5[/tex]

EXPLANATION

From the given strip;

one-third of the strip equals;

[tex]\begin{gathered} \frac{1}{3}\times15 \\ =\frac{15}{3} \\ =5 \end{gathered}[/tex]

Therefore, 1/3 of the strip is 5. Hence, 5 portions are needed to be shaded

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