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Bracelets use 1/4 yard of string and 10 charms. You have 9/10 yards string and 72 charms. If you use all the string what fraction of the 72 charms did you use?

Respuesta :

mhanifa

Answer:

  • 1/2 of the charms used

Step-by-step explanation:

Ratio of string and charms:

  • 1/4 yard of string ⇒ 10 charms
  • 9/10 yard of string ⇒ x

Solve by cross-multiplication

  • x = 10*9/10 ÷ 1/4
  • x = 36 charms

The fraction of all charms to number of used:

  • 72/36 = 1/2

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