victoriajolie501 victoriajolie501

13-12-2017
Mathematics

contestada

In a toy store, the ratio of the number of teddy bears to the number of dolls 4:7.if the store has 160 bears how many dolls are in the store?

Respuesta :

13-12-2017

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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