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04-02-2015
Mathematics

contestada

When cooked, 85% of the kernels in a bag of microwave popcorn popped. There were 120 kernels of popcorn in the bag.

How many kernels popped?

A.

102

B.

105

C.

141

D.

205

Respuesta :

Аноним Аноним

18-02-2015

[tex]p\%=\frac{p}{100}\\\\85\%=\frac{85}{100}=\frac{85:5}{100:5}=\frac{17}{20}\\\\85\%\ of\ 120=\frac{17}{20}\cdot120=17\cdot6=\boxed{102}\leftarrow answer\ \boxed{\boxed{A}}[/tex]

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