parks is wearing several rubber bracelets. 1/3 of the braclets are tie-dye,1/6 are blue, and 1/3 of the remainder are camouflage. if parks wears 2 camouflage bracelets, how many bracelets does he have on?

parks is wearing several rubber bracelets 13 of the braclets are tiedye16 are blue and 13 of the remainder are camouflage if parks wears 2 camouflage bracelets class=

Respuesta :

12 bracelets

Further explanation

Given:

Parks is wearing several rubber bracelets.

  • [tex]\frac{1}{3}[/tex] of the bracelets are tie-dye,
  • [tex]\frac{1}{6}[/tex] are blue, and
  • [tex]\frac{1}{3}[/tex] of the remainder are camouflage.

Parks wears 2 camouflage bracelets.

Question:

How many bracelets does he have on?

The Process:

Let's make an early diagram that fits the information above.

[tex]\boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} = 6 \ units [/tex]

6 units represent all the bracelets he has on.

  • [tex]\frac{1}{3} = \frac{2}{6} [/tex] of the bracelets are tie-dye, that is [tex]\boxed{\cdot} \boxed{\cdot} [/tex] or 2 of 6 unit.
  • [tex]\frac{1}{6}[/tex] are blue, that is [tex]\boxed{\cdot} [/tex] or 1 of 6 unit.

The rest is 6 - 2 - 1 = 3 units.

[tex]\frac{1}{3}[/tex] of the remainder are camouflage, that is [tex]\boxed{ \ \frac{1}{3} \times 3 \ units = 1 \ unit \ }[/tex]

Parks wears 2 camouflage bracelets.

[tex]\boxed{ \ 1 \ unit = 2 \ camouflage \ bracelets \ }[/tex]

Let us count how many bracelets does he have on.

[tex]\boxed{ \ 6 \ unit = \ ? \ camouflage \ bracelets \ }[/tex]

[tex]\boxed{ \ 6 \times 2 = 12 \ }[/tex]

Thus, Parks has 12 bracelets on.

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Quick Steps

Let the sum of all bracelets be N.

Parks wears 2 camouflage bracelets, that is,

[tex]\boxed{ \ \frac{1}{3} \times \bigg( 1 - \frac{1}{3} - \frac{1}{6} \bigg) \times N = 2 \ }[/tex]

[tex]\boxed{ \ \frac{1}{3} \times \bigg( \frac{6}{6} - \frac{2}{6} - \frac{1}{6} \bigg) \times N = 2 \ }[/tex]

[tex]\boxed{ \ \frac{1}{3} \times \frac{3}{6} \times N = 2 \ }[/tex]

[tex]\boxed{ \ \frac{1}{6} \times N = 2 \ }[/tex]

[tex]\boxed{ \ N = 2 \div \frac{1}{6} \ }[/tex]

[tex]\boxed{ \ N = 2 \times \frac{6}{1} \ }[/tex]

[tex]\boxed{\boxed{ \ N = 12 \ }}[/tex]

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