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A sandwich shop has 70 stores and 90% of the stores are in California. The rest of the stores are in Nevada. How many stores are in California and how many are in Nevada?There are ____ stores in California and ____ in Nevada.

Sagot :

The sandwich shop has a total of 70 stores, this is the 100% of their stores.

90% of the stores are in California

The rest of the stores, 10%, are in Nevada.

To calculate how many stores correspond to the 90% you can use cross multiplication

100%_____70 shops

90%______x shops

[tex]\begin{gathered} \frac{70}{100}=\frac{x}{90} \\ x=(\frac{70}{100})90 \\ x=63 \end{gathered}[/tex]

So the 90% of 70 is 63, this means that there are 63 stores in California.

Now subtract the number of stores in California from the total number of stores

[tex]70-63=7[/tex]

And we get that there are 7 stores in Nevada

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