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Ian has 12.2 ounce bottle of ketchip. He uses 1/20 of the ketchup every time he has a buffalo burger How many ounces of ketchup are left after Ian has eaten 4 buffalo burgers?

Respuesta :

helencforrest
If Ian uses 1/20 of the ketchup 4 times, this is equal to 4/20, or [tex] \frac{4}{20} [/tex].

[tex] \frac{4}{20} [/tex] can be simplified to [tex] \frac{1}{5} [/tex], which means we need to work out [tex] \frac{1}{5} [/tex] of 12.2

[tex] \frac{1}{5} [/tex] is equivalent to 20%, which as a decimal is 0.2

0.2 x 12.2 = 2.44 - however, this is how much he has used, and we need to figure out how much is left.

12.2 - 2.44 = 9.76

So, Ian has 9.76 oz remaining :)

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