Answer :

MuchoE
You can use proportions to solve this.
[tex] \frac{4}{7} = \frac{160}{x} [/tex]
Cross multiply
[tex]4x = 7 \times 160[/tex]
Divide by 4
[tex] x = \frac{7 \times 160}{4} [/tex]
Now solve
[tex]x = 280[/tex]
There are 280 dolls

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