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3 years ago

14

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 fractio

n of the 72 charms did you use?

1 answer:

soldier1979 [14.2K]3 years ago

4 0

Answer:

1/2 of the charms used

Step-by-step explanation:

<u>Ratio of string and charms:</u>

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

<u>Solve by cross-multiplication</u>

x = 10*9/10 ÷ 1/4
x = 36 charms

<u>The fraction of all charms to number of used:</u>

72/36 = 1/2

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